OH TX 66
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[00:00:00] Kaisha: Friends welcome to office hours, your source for free cannabis cultivation education. I'm Kaisha I'm co moderating. Side-by-side with my good friend Mandy, how are you doing over there? Hey,

[00:00:09] Mandy: Kaisha. Hey, everyone. We're here for episode 66, also going live over on YouTube. So if you're logging on over there and make sure you send us your questions and I'll make sure I get those to the team.

[00:00:20] Mandy: If you're active on social media, be sure you're following us on all of the platforms. So we're on Instagram, Tik, TOK, YouTube, LinkedIn, and social club. But let's not forget why [00:00:30] we're here today. We've got quite a lot of crops during questions this week, so let's get right to it. I'll pass it back to you, Kaisha.

[00:00:35] Mandy: Thank you, Mandy.

[00:00:36] Kaisha: I'll write it since you're live with us here, you have a question. Feel free to type it in the chat at any time. And if your question gets picked, we'll have you either unmute yourself or we can ask for you. Seth looking very cool in studio over there today. How are you doing.

[00:00:49] Seth: Good. How are you doing

[00:00:50] Kaisha: today? Kaisha?

[00:00:50] Kaisha: Kaisha. I'm doing good. The future is bright. I like those shades, my friend. All right. Are you ready for our first question? Yeah, I think so. All right, let's do it. We. We got a couple that we weren't [00:01:00] able to get to last week. So let's start with those. Jacob wrote in. Have you guys ever tried steering only generative throughout all of flour. And if so, which strains like this type of steer.

[00:01:12] Kaisha: So that's his first question. Why don't we start with that one? What are your thoughts on that side?

[00:01:16] Seth: The first part of it. Yeah. I only grew generatively probably the first two years I was growing. As grand, small plants at big pot waiting for it to grab back. Being super generative. As far as strains that like that.

[00:01:28] Seth: A lot of your stretch here, you know, your [00:01:30] Classico. Jeez. Anything super sativa leaning that tends to have big internets and smaller buds typically will tend to want to stretch out and throw out loser buds. If we start going and do a bulking pattern with it. So there are certain strains that I.

[00:01:45] Seth: Definitely won't really bulk. If I want to be able to push the kind of product quality on them. That I'm looking for. And in hand, you know, those strands might be the ones that I see. Hey. This isn't the most commercially viable strain in my facility, or, you know, [00:02:00] alternative solutions like limited drops and saying, okay, we can afford to do.

[00:02:04] Seth: One 10 week run this year. All right. Well, we'll do that. And then do a limited drop and get rid of it. But we can't do only 10 week rounds because then we lose a significant portion of our product output for the year. Yeah.

[00:02:17] Kaisha: Lots of opportunity for learning there. Yeah. Cool. Okay. Let's get to Jacob's second question. They write in. What's the maximum difference. You let your run off, get to compared to your inputs for ISI and P.

[00:02:28] Kaisha: T H when giving [00:02:30] plenty of runoff.

[00:02:32] Seth: Maximum difference in ECC, like. Are we even talking about PPMS going in versus PPMS coming out? I think that's what he's referring to.

[00:02:42] Seth: A lot of times, I mean, Here's a good way to think about it. If you're a root zone, ISI is stacked up to eight. You know, that's a 4,000 PPN. On a PBM 500 scale. So we, when we're looking at input versus run-off ISI, there's a few things that come into play. I mean, number [00:03:00] one, If you are irrigating until runoff without utilizing a series of what's, generally what's referred to as P one irrigations that are spaced out to prevent channeling.

[00:03:09] Seth: It's going to be hard to tell too much out of that runoff because you haven't achieved necessarily. A hundred percent saturation in the media or achieve real field capacity regarding runoff before it's had the chance to mix with the existing solution in the pot. And homogenized. So if you've got, you know,

[00:03:27] Seth: Pockets of the pot that I've walked in and then the rest is running [00:03:30] by without interacting with those pods. We're not actually getting a representative sample. So if I had a three point of feed and 8.0 in the root sound, And I fed too fast. I might be seeing that runoff coming in way closer to a 3.0, just because it's going through the media so fast, not picking up any soul.

[00:03:47] Seth: If I a. Do a properly. And they'd see a much higher runoff, but the reality is when we're talking about, you know, Putting in a charge solution. It's coming in, ionically [00:04:00] charged with several different salts and we're trying to pull out a charge solution. We're looking at those bulk numbers. It's hard for them to be accurate. You know, we're not so much accurate, but to tell us what to do based just off of those run AAPC numbers, we can start to see when it's getting.

[00:04:15] Seth: Really high. We can see when it's getting really low. But we really want to see what's going on in that actual root zone, because the equation is not as simple as, unfortunately not as simple as, Hey, I put 1500 in and I got 1300 out the plants reading 200 [00:04:30] PPM. At these higher ISI values that we're trying to run these days, we're looking at not shifting too hard. One way.

[00:04:38] Seth: And mainly what we're looking for in that runoff is P H so we can actually interpret those numbers and say, Hey, I'm building EDC, but I'm losing pH. And what does that tell me? Well, I'm getting ions in there, but they're not the ions that I want. So I need to flush that out a little bit.

[00:04:57] Kaisha: Amazing. Thank you so much for that, Seth. All right, Jacob had two more [00:05:00] questions, but we definitely want to prioritize our life folks. So Mandy, I'm gonna send it over to you for you to questions. Awesome.

[00:05:06] Mandy: Thanks everyone. Over there. Andrea has a question about VPD. Hey, you mentioned in some previous episodes, a shift in the VPD schedule throughout the flowering phase, I'd always learned to apply a high VPD to start off a lower VPD during bulking, and then back to a higher one during the ripening phase.

[00:05:24] Mandy: Could you explain a little more about the new VPD schedule you talked about and one of the plant's ability [00:05:30] to transpire during bulking it compromised with a higher VPD.

[00:05:33] Seth: Thanks. So a few things to look at you know, number one, if we're talking high, medium, high, what are your incoming plants look like?

[00:05:42] Seth: In a lot of modern systems, you know, we're trying to bring in much smaller plans typically to when we're stacking media. We're flipping a plant that's, you know, 12 to 20 inch hot inches high max. That's pretty small. And that plan only has so much leaf surface area with so many stem out of a certain size to be able to handle that higher VPD. So we [00:06:00] actually see during the first three weeks of growth with smaller plants,

[00:06:04] Seth: Better growth at a lower VPD, but slow, gradually increasing that. So if I came in at a 0.6, a transplant to avoid a little bit of shock because. I'm usually running 0.6 to 0.9 in bed. I can slowly bring that up over the next three weeks to about a 1.1. Now, once we get into bulking, we actually want maximum transpiration. So we want to keep that generally between a 1.2 and a 1.4. That's typically where we see [00:06:30] maximums to Mata opening. They tend to stay open.

[00:06:33] Seth: After you hit 1.5, 1.6 and higher. We typically see this to modest. Start to close as the plant goes into heat and drought stress. Well heat stress, because it's worried it could go into that stress. If it doesn't do something about it, right. And the ripening. What we're looking at is you know, specifically to your comment, back to the high values.

[00:06:53] Seth: Bringing it up into that 1.4 to 1.6 and ripening is usually just a little more insurance. That we're not going to get bud rap.[00:07:00] And that really comes into play when we're trying to ripe and plants, let's say it's 75 in the daytime and 65 at nighttime. If I'm at 65 degrees and I go over 60% relative humidity. I know I'm probably going to have mold in that room unless I've been able to keep that surgically clean.

[00:07:17] Seth: And keep my people as hygienic as possible going in and out of there. I'm probably going to have mold at that point. For reference to keep a one point or a reasonable VPD. 1.1, 1.2 at 65 degrees. We're going to need enough. [00:07:30] 43 to 45% relative humidity. Now, if you can't do that's kind of where we start to look at running into mold. So.

[00:07:37] Seth: Really we are VPD is all about optimizing what's right around leaf surface. And making sure we're taking advantage of every hour that the lights are on to have the plant transpire. And make sugar and grow.

[00:07:52] Seth: Thanks

[00:07:52] Mandy: for walking us through that set. And thanks for that question. Make sure you keep sending us those questions over on YouTube, but until then I'll pass it back to you. Kaisha. [00:08:00]

[00:08:00] Kaisha: Thank you, Mandy. I'm right. So I'm going to get back to another question here from Jacob. He submitted some really good ones and I really liked this one because I think it speaks to planning, which, you know, growers have to do all the time.

[00:08:11] Kaisha: So generally speaking, which types of strains, like more feed, less feed, medium feed, high EPC. DC medium ISI. Lo EDC. And how do you figure it out?

[00:08:23] Seth: Well, number one, like the rest of ag research research experimentation. So you now making sure you have good [00:08:30] registration. And luckily, you know, when you're operating in this cyclical facility, you have.

[00:08:35] Seth: You know, your experiments, can't be too wild, right? You need to settle on what is a relatively safe production method for you to ensure that you're going to have some kind of crop at the end. You know, if you've got a 30 light grow, it's not huge, but you're not going to switch from Coco to. You know,

[00:08:51] Seth: Aquaponics or aeroponics just on a whim, right? Like that's a big investment. You need to have some guarantees, but the beauty is your role. You're running the system over and [00:09:00] over and over. You have three rounds. You have nine plus crops a year to learn from, and really what it comes down to there as. All right.

[00:09:08] Seth: How do I quantify the differences between each of these runs? And then relate that to what are my standards? And what are these different strains do under that standard? So in terms of VC, you know, one thing we're going to look at is there are some plants that have. That tend to want more or less easy.

[00:09:27] Seth: A lot of that though, has to do with that [00:09:30] build up in ISI. Canada's plants can adapt to a higher UC environment. I say it on the show all the time. It's called weed for a reason that doesn't mean it's super easy to grow. That just means. You know, it's easier than orchids. Let's say it's going to tolerate.

[00:09:44] Seth: You know, your humanity a little better. So when we're talking about EDC, you know, that plant can adapt. It can build up sugar in the root zone and its roots to offset that as monic difference. But. That's a slow process. Like everything implants, you know, one day to the next, can there be a [00:10:00] big difference? Yes. Should there be in anything other than vertical growth or new leaves popping early on? No, we shouldn't see a huge day-to-day difference in our external parameters outside of the plant.

[00:10:12] Seth: So, Some plants have traditionally been grown in lower ISI. We see a certain expression. And then without, you know, certain types of technology like rezone sensors, it's really hard to tell whether that plan Likes Hi-C. Likes Loewy C has an issue pulling out [00:10:30] certain nutrients has tends to run into pH issues. There's a lot surrounding that. So.

[00:10:35] Seth: I mean, Typically, we kind of look a little bit at like, You know, some of your stretchers trains tend to prefer lower ECS. Some of your, a squatter fatter strains tend to prefer a higher ECS. In the real world. We've seen it play out both ways with great results. It's all about managing everything holistically.

[00:10:56] Seth: And not having, let's say it, you know? Some strands. Let's [00:11:00] say they feed fairly heavily. They cause a pretty, pretty big dip. And pH as we raise ISI. Well, The problem. Wasn't the C it was the irrigation strategy that led to this pH management issue. So if we have a low pH, we're going to be deficient in everything, the difference between a deficiency and a lockout is not something anyone can tell you from a picture.

[00:11:21] Seth: Typically you need data surrounding that, to know. Something besides just, Hey, it has yellow leaves. It has marginal leave and crisis, like, okay, [00:11:30] cool. That can be a symptom of a lot of other things I need. What's going on in the environment around it. To really determine was it the EDC because. Too many times we've seen it played out razor lawyer. You see a little bit, probably eight out of 10 times.

[00:11:44] Seth: Fix your pH. Usually that's the biggest thing.

[00:11:49] Kaisha: So it's, that's what I'm hearing and not answers. Basically conduct your own experiments, do some pretty thorough crop registration. Compare different runs and apply what you've learned.

[00:11:58] Seth: Yeah. Yeah, [00:12:00] absolutely. And start conservatively. You know, when we're talking about running ISI. Just because someone like myself or anyone out there in this space tells you that, Hey, they've had good luck and good times running high. You see.

[00:12:12] Seth: That doesn't mean that there are, that what that likely means is there's probably a lot that you're not necessarily seeing behind that picture. You know, if I ran Hi-C and I got good results. Great potency, great yield. Cool. What else was going on? Cause ECE is not the only part of that puzzle. You know what I mean? Just the difference on the same [00:12:30] strain between what it likes under HPS and led.

[00:12:33] Seth: Can be huge. So trying to say that one strain is going to perform at a certain ISI. Is not something I put my stamp on because. If it did it that way for you, I can almost guarantee I'll give that same strain to a different grower. And they'll add another five. So whatever you're running for ISI or even 10, and you'll be like, what?

[00:12:51] Seth: That plant can finish between a 10 and a 20 or Emirate zone. Yeah. It can actually, but if you have that snapshot of that [00:13:00] one week, where it's that high, you missed the very slow buildup. Early on that allowed the plant to adapt to that. And you're not really getting the full picture.

[00:13:11] Kaisha: Awesome. Yeah, that was really good. Like overview reminder of like what it is you got to do out there. Y'all are doing some hard work and the more you can kind of manage around and track your own experiments progress. I think the better. I'll write, I'm going to send it over to you, Mandy. What's happening on

[00:13:25] Mandy: YouTube.

[00:13:26] Mandy: I mean, gosh, guess what? We got another question. Chuck wrote in [00:13:30] what would happen if you do the whole run in veggie queues versus gen queues. What would be the main differences with the in product? So like weight, quality, et cetera.

[00:13:40] Seth: So, you know, that's going to be a fairly strain dependent.

[00:13:43] Seth: My, my basic answer. Is, have you ever tried to grow weed in an Aero garden? Or an aeroponic setup or deep water culture hydroponics. That's where we get to the fact that we can't deprive the plant of irrigations. Right? It's in deep water. Typically what we'll see in a. And [00:14:00] it is highly strain dependent because guess what? Plenty of people have grown plenty of hydroponic cannabis over the years that turned out. Okay.

[00:14:06] Seth: Usually utilizing UC fluctuations. And environmental fluctuations to determine right. Ness and then also nutrient content. Right. That is part of this, but if you're running super vegetative the whole time, You're going to be pushing that plant to grow longer stems, bigger inner nodes and looser buds typically.

[00:14:24] Seth: And strain dependent, more leaf growth. So is it possible? [00:14:30] Totally. We got people all over. We're doing that. Exactly that. And six by six rockwool blocks. Because they're trying to grow a four or five foot plant out of a tiny pot at a certain point, the gas tank isn't big enough to drive the car past the next gas station. So we just got to keep irrigating all day.

[00:14:45] Seth: Yeah, vegetative all the way is going to be it's going to be possible, but it's also going to affect certain screens that you know, are sensitive to let's say, higher nitrogen inputs. So. It's trade-offs right. Generally speaking, having a bigger pot [00:15:00] and being able to go more generative, it's going to be more forgiving and promote more quality.

[00:15:04] Seth: Then having a small pot and going only at vegetative the whole way.

[00:15:09] Mandy: Awesome. Thank you for that said, and thank you for that question. Until we get more over on YouTube, I will pass it back to you, Kaisha.

[00:15:16] Kaisha: Thank you, Mandy. All right. I am on the fourth question from Jacob. Great questions this week, too. What few to levels do you recommend through eight weeks of flowering under mixed led HPS lighting [00:15:30] temps.

[00:15:30] Kaisha: Seventy-five to 85 EPD, one to 1.4. PPFD 1100 to 1400. What advice

[00:15:38] Seth: do we have for Jacob? All right. We'll ship those over a little bit. So for learning 1100 PPFD. I mean, number one. It's good to have a spot check or make sure your CO2 is on point. Typically. Like to run PPFD plus about two 50 in PPM of CO2. So if you've got 1100, PPFD make sure you've got 13, 50 PPM.

[00:15:59] Seth: CO2. [00:16:00] Also make sure, especially if you're getting a mixed light, especially in the LEDs and into the mix. You might want some monitoring equipment to make sure you are actually keeping up with your plants. ISI needs. A lot of times, once we introduce that different spectrum involved with the led. And it depends on the lights. Yeah. But we see that the plants can actually tolerate and often want.

[00:16:23] Seth: More. More plant nutrients going into. It's what they need. They're hungry. [00:16:30]

[00:16:31] Kaisha: Awesome. Yeah. Thank you so much. As Jacob, wherever you are out there. Good luck and keep us posted. I want you to up to. All right, we're going to keep it moving. This question also came in last week from a holy nodes. They write in. What does fertigation channeling

[00:16:44] Seth: mean? So channeling during fertigation is where we achieve runoff before we've actually hit field capacity.

[00:16:51] Seth: So what's going on as we put water on fast enough that it's moving through the media with enough velocity, that it doesn't actually wick around and [00:17:00] homogenize with the rest of the. Nutrient solution in the media. So what's going on. As I say, it's gone down too fast. It's channeling it's or tunneling is what some other people call it, but basically it's going through a smaller looser portion of the media straight out the bottom.

[00:17:14] Seth: And when we're talking about. GOCO and Rockwall and these smaller containers. They're actually quite susceptible to that because they're a fairly poorest media. And it's easy for that to happen with enough. With a big enough shop put on too quickly. So that's [00:17:30] part of why, like when we're talking, Hey in P one.

[00:17:32] Seth: You know, different media, we're going to have a little bit different strategy. Part of that's because like rockwool, for instance, if I start to go by the 10 or 11% shot, I'm probably going to start seeing channeling. And I want to avoid that because I want to hit field capacity and achieve my runoff. Once the whole set straight has been able to be saturated.

[00:17:52] Seth: And had that. Modularization occur with everything else or with the incoming news. Yeah, installation. So that way. If that doesn't happen, [00:18:00] if I'm just channeling it through, I'm not going to be able to pick up. Any of those positively charged ions and push them out of solution and reset that pH balance.

[00:18:08] Seth: And I'm wasting money. I'm throwing it down the drain. So essentially if you're seeing. If you were going to put on four P ones or five. I'd say eight. And you see runoff before the last one. That could be channeling that could be a field capacity lower than you thought. If you see runoff. Each time you irrigate.

[00:18:28] Seth: That means you're putting on [00:18:30] too much, too fast. And that's the exact visual definition of what channeling is.

[00:18:37] Seth: That's good to

[00:18:37] Kaisha: know. Thank you south fertigation channeling. All right. Appreciate that overview. You know what a fan I am of the reviews. Okay. We're going to keep it moving. Love this right in from Kane wrote us. Hey, all love the system. Love the page. I'm an old schooler put my first plants in the ground in 1980 at 13.

[00:18:54] Kaisha: We mixed fish heads and guts from trout. We caught with. For photo fertilizer. Now I'm in [00:19:00] four-inch Rockwool cubes, three of them on 36 inch slabs. And I have a couple of steering questions. We use a Theona. First in late flesh, I ended up dropping down into the 30%, 80%. It is sometimes 20 percentages by morning in my dry bats.

[00:19:17] Kaisha: It comes back with the P one. And the ISI drops. So they just let it go for the 22 hours or give it a 6:00 PM. I shut off at eight. Maintenance shop to keep it up into the [00:19:30] forties.

[00:19:31] Seth: You know, the reason we want to keep it into the forties all the way up until this end is so we can actually apply this steering strategy at the end.

[00:19:38] Seth: So we're excuse me. I'd have to Steve. Hold on.

[00:19:44] Seth: But basically we want to still be able to go generative at the end. So if you are pushing into, like, let's say the thirties, you know, in that last week of ripening, that's not as big of a deal. As long as we can carry out a 22 hour drive back without. Going down to a wilting point and [00:20:00] also maintaining enough.

[00:20:02] Seth: Volume to be able to achieve that drive back. If let's say two weeks before harvest, you start drying down to 25% repeatedly. We're going to see that field capacity start to topple down from, you know, 60, 65% down to 55 down to 50. And then eventually if you keep going to the 20th one at a point where you've got like 35% field capacity, and then we can't really ride that out. So the big thing you want to watch out for is like, Hey.

[00:20:26] Seth: I dried in the twenties. What did that do to my field capacity the next day? [00:20:30] Did that actually kill it? Did it bring it down? And if so, well, I need to not do that again. And I needed to develop an alternative strategy. And then the other thing to look at when you're pushing these deeper drawbacks is yeah.

[00:20:40] Seth: Watch your mic. If you're easiest biking exponentially in the last hour before watering, like it rises five or six points. That's probably pushing it too much of an extreme in terms of our water to salt ratio. Surrounding the plant roots.

[00:20:56] Seth: So. What I would do is probably start thinking about [00:21:00] putting a maintenance shout on if you're going that far in. Really, as long as you can keep your irrigation windows short in the morning, you know, one to two hours as few shots as possible. You can hold off and only put that maintenance shot on one to two hours before lights off.

[00:21:14] Seth: And you don't need to bring it back up to field capacity and rinse it out just enough to make sure you're not going to over dry by the time you come in the next morning.

[00:21:23] Kaisha: That's a great tip. Okay. Kim goes on to say, second question is similar in the root [00:21:30] in stage. I end up in the same situation. Should I let the ISI build and sacrifice some WAC or hit it with a 6:00 PM maintenance shot to keep the WC. And sacrifice a little easy. I appreciate all you do. Please have a great day signed Cain at brand candy and kind farms reserve in Maine. Appreciate you for submitting. These questions came.

[00:21:52] Seth: Yeah. So when we're talking about rooting in one, one really important thing to look at is like how much oxygen we're putting into that root zone, how much pore space [00:22:00] those routes have to explore. Actually used a great analogy earlier today. If you ever went and tried to farm as swamp. You go to the mud and you throw dirt on top of the mud and you plant the dirt.

[00:22:10] Seth: Go dig down. You'll have plenty of roots and the dirt you throw on top of when you hit the mud layer, that's like the clay. You're not going to have any roots and that's because the poor spaces are tiny and it's almost completely anaerobic impact. So the roots just can't penetrate that media when it's too wet. So when we're talking about rooting in, we want to take, let's say that first three to seven days typically. And if you're in a one or a [00:22:30] two gallon, even bigger,

[00:22:31] Seth: But what we're looking for is for that media to drive back, you know, at least 15 to 20% of its volumetric water content. And, you know, even up to like 50% of its saturation, depending on what kind of media we're looking at, but. We're not necessarily wanting to just sit there and wait for that dry back to him.

[00:22:49] Seth: What we can do is stimulate the plant by giving it a small micro irrigation. The day of transplant the day after that, but giving it a very small, like less than 1% volumetric water [00:23:00] content irrigation. And what that's doing is pushing. A little bit of liquid, a little bit oxygen through the root zone, refreshing it and stimulating that root growth.

[00:23:09] Seth: Because basically the whole thing behind vegetative growth in general is we are stimulating the routes. And that's, what's stimulating the rest of the plan. If we want to push rooting. We need to push a little bit of that vegetative style of irrigation. We just have to do it on a micro level so that we're not over-watering oversaturating the media and not [00:23:30] allowing those routes to, you know,

[00:23:32] Seth: Basically fill out that entire pot.

[00:23:37] Kaisha: Awesome. And then a cane. I know last week we did cover a reading strategy. As well. So check out that latest episode 65, but appreciate your questions. Thank you for those. Mandy sending it over to you.

[00:23:48] Mandy: Yeah, thanks everyone for your questions. Burn tires, burn trees wrote in this week. They want to know.

[00:23:55] Mandy: What causes some plants to have lowered water content, but the east. Stays [00:24:00] flat. What's the best way to fix this situation? I always thought because they drive back, the ISI would naturally rights.

[00:24:08] Seth: So when we're looking at a fairly low ISI situation, a lot of times what we'll start to see is a. Like let's I guess, set the situation here. If you were riding at like, let's say an average of 2.5.

[00:24:20] Seth: To for ISI in your root zone, we're watering in at a three O. But every day we can never get it. Like. To go much above that 3.0 in fact starts to [00:24:30] come down lower than it. Like, it almost goes parallel with our water content line during dry down or dry back. Sorry. Basically what that means is like, if you put, we'll go back to PPMS here, but if we put a 3.0, feed 1500 PPM on the plant,

[00:24:44] Seth: And that washed our ECC up to let's say a 3.2 in the pot. But then the next morning we're coming back in at 2.1. Well, that plant up took that 500 PPM, 600 PPM there. So basically we'll hit a point [00:25:00] where we're almost not putting on enough nutrients to keep up with the needs of the plant. And usually that's what we're seeing there now.

[00:25:07] Seth: In terms of plant health, visually. A lot of times that doesn't look that bad. The only thing is we're not really using that tool that is osmotic stress. To apply a little bit of osmotic stress to the root zone and push that generative growth. A good way to put it as if we're growing tomatoes or blueberries.

[00:25:25] Seth: I might be a lot more stoked to see. That easy line actually stay flat [00:25:30] or a curve down because that means I'm not draining as much fertilizer to waste.

[00:25:35] Seth: So for cannabis growers, we want to see an inverse reaction. A lot of times that just means stacking up that ISI earlier on. Nailing that stack and it's going to be tough for some strains, but usually that's where I see that as a, not a lower ISI condition.

[00:25:51] Seth: Awesome. Thanks

[00:25:52] Mandy: for that said. We're getting quite the amount of questions over on YouTube. So I'm going to keep going. Chuck wants to know. I'm curious, let's [00:26:00] say your target drive back is 25%. What would happen if you get to the 25% dry back and keep it at 25% by doing small shots. And then for the last shot.

[00:26:11] Mandy: We'll be the larger to maintain the target. Dry back. So never reaching full capacity other than the initial watering after the root in process. Let me know if you want us to ask him some follow up questions on the other

[00:26:22] Seth: side. I mean, basically what happens then is you're running essentially very vegetatively. Like when we're talking about genitor vegetative, [00:26:30] the size of the shot we're using has more to do with.

[00:26:33] Seth: Working with the media and right back to that channeling issue. You know, if we want to be super generative, we'd put on a 25% shot on our 25% drive back or 26%. We've put on a big shot while we can't do that. Cause we can channel. Right. So effectively we have to sacrifice some of our super generative push just to properly hydrate the media and maintain pH.

[00:26:53] Seth: Now, if we're looking at saying, Hey, we're going up there, we're bringing it down to 25 and holding it anytime I'm holding it, [00:27:00] I'm actually applying more and more irrigations, which is pushing it more and more vegetative. So the important thing to remember when we're talking about crop strand, especially in soilless mixes. Now this changes a little bit, when we get into actual soil composition.

[00:27:13] Seth: Outside of the indoor and greenhouse environments. But typically you know, at 20 to 50, 60, 70%, we're looking at really similar or negligible difference in matrix potential in the media. So the plant really could care less, whether you're a Coco or rockwool is [00:27:30] 25%, 50%, 60%. It doesn't know, holding out that moisture content level.

[00:27:36] Seth: Doesn't matter. What we're looking at is how long have we gone between irrigations? Are we using our irrigation strategy to maintain our pH and also to have our desired ISI swings? So, what you're playing with is interesting, but if you're doing that after transplant, you're just basically pushing it more vegetative.

[00:27:56] Seth: All the way through.

[00:27:58] Mandy: These are good things to [00:28:00] know. Thank you for that fed. Ed wants to know. When applying irrigation shots say 100 milliliters, how long should it take for the drippers to deliver this to the block? Is there a recommended flow rate to avoid channeling?

[00:28:14] Seth: So, I mean, it depends on the drippers, right? We've got 0.3 gallon 0.5 gallon.

[00:28:18] Seth: One gallon two gallon per hour. Those are kind of our standard flow rates. That being said of all the irrigation systems I've seen. A lot of them don't perform with the calculation. You'd think they [00:28:30] would. Once you had the length of your pipe diameter, your pump power. All in proportion. And then how many, you know, how many individual emitters is that one pump driving at a time?

[00:28:40] Seth: So like a hundred milliliters. Should not take very much time. Basically like you should be able to get that in like a minute and a half. No problem. On a pretty Opry, low pressure system, but that's why, you know, right back to general registration and quantification. A really good habit is between each run on the same system that you're using, you know,

[00:28:59] Seth: Number one, we [00:29:00] want to be taking care of that irrigation system. You want to keep it clean? And I do all you can. And then especially between runs, you know, you're going to do a super deep clean, but right after that deep, clean or really great habit is to go ahead. Fill up your reservoir or trigger pipes on even just pump water through, you know, some of your, if you have decent salts, they should pump through just fine. If you've got some chunkier stuff, maybe not as well, but.

[00:29:22] Seth: It goes through a 10 or 20 cups out. And actually get your flow rate. Turn that system on for a minute and see what you've got, because no matter [00:29:30] what spec parts you're using, unless you have, unless you sat down and very perfectly designed this or had someone do it for you. Your flow rate is going to be a fairly unique calibration tier system.

[00:29:40] Seth: And that calibration is also going to change every round because you know, there's two factors at play here. One we're pushing saltwater, which is naturally a little bit corrosive to some of the plastics we're using there. And then number two.

[00:29:53] Seth: Once those plug, even the littlest bit and some of them don't plug, you can have a plug. You can have them break in a way where they flow [00:30:00] completely open almost. But either way, once we've got, you know, more than about 10% outside of like, or 10% difference between each cup. In there now we're going okay. I can't accurately put on.

[00:30:14] Seth: A single shot of water to any plant. Because I know that these are all just separate enough that it's going to cause my lines on the graph. If I had a meter on every plant to start to diverge. By five or 10% here or there. And that's what you really want to balance. As you know, there's [00:30:30] a, in terms of how fast is too fast.

[00:30:33] Seth: Going over a gallon per hour is starting to get pretty fast. But it really has to do with how well calibrated your individual system is. And if you want a. Good representation like with Coco. And 12 percent's usually where we start to see it, but that's heavily brand dependent. Depending on the chop size of the different.

[00:30:55] Seth: Chop size of the husk in there. And then with rockwool 10%, it's usually [00:31:00] about where we see runoff and that 10% can be. Five minutes shot 10 minutes shot. Just depends on what size remitters are and what size your media is. If I have a three and a half gallon pot. 10% of that is a lot more. And then a one gallon pot.

[00:31:17] Seth: Awesome.

[00:31:17] Mandy: I love talking about irrigation and that's a great question. Keep them coming, guys. I'm going to keep going down our list. Hector wants to know. And bear with me. You guys, he's got a lot of information, so I might a trip up for myself. [00:31:30] I'm currently in week four of 10 and flour, I'm having trouble stacking AC with edge steering and my substrate will not get above.

[00:31:37] Mandy: Point 55, Ms. FCM. They're a one hour away from lights on and at the point 14, Ms. Cm. Temps are at 77 degrees, 55 RH percent KPI on average 1.3. No moisture meter at the moment. EPF T is about nine, 800 to [00:32:00] 900. PPFT any suggestions. And I'm going to check this Tesa.

[00:32:04] Seth: Yeah. Thank you.

[00:32:07] Mandy: That was hardcore crop steering right there. Thank you.

[00:32:11] Seth: Excuse me is here.

[00:32:20] Seth: Let's humans per centimeter. Conversion that's.

[00:32:27] Seth: Well, Peter, are you using. Usually [00:32:30] we're looking at deaths and Siemens per meter. Typically the. If you're looking in your runoff for this would indicate to me that you're running a fairly low. Like a couple of things. You probably got a low ISI feed in the 2.4 less range, probably 2.0 or less. You've got

[00:32:47] Seth: A high amount of runoff going on. So. What I see a lot in this kind of situation is. And this is really hard without, you know, roots zone. Water content and you see data. But what does [00:33:00] he allow when people try to push vegetative steering as a. Basically there's kind of two things. Number one.

[00:33:05] Seth: Whether it be seeing a really big. Irrigation followed by big PTO irrigations, just a standard set irrigation all across the day. And then the other one that I run into is we do have a structure, you know, P. irrigation set up, but. We're not waiting long enough at the end of To dry down before hitting P two and that's pushing a bunch of plants across the table.

[00:33:29] Seth: To [00:33:30] start to run off. So if we had field capacity six times in a day, And run off six times at field capacity. We're going to just be rinsing that ISI down and down. I mean, you'll hit a point where the best you could do is when's it back up. Like if you're feeding at a 2.0, and so from that 0.5, five back up.

[00:33:48] Seth: But.

[00:33:49] Seth: Personally, I wouldn't try to cut runoff too much. I would just try to really organize that and do a P one P two strategy where I'm trying not to achieve runoff more than once a day. That sounds like it's [00:34:00] your biggest enemy right now.

[00:34:02] Seth: Awesome.

[00:34:03] Mandy: It considerations to keep in mind. Chuck also has another question. Is there. At the quality, if you do nine pant nine plants, alight versus two, for example. Well, a young plant be different than an older one. What do you think? So.

[00:34:20] Seth: Yeah, I mean, so number one, if we're talking about efficiency, we're going to be working with smaller plants, right? We're not wasting as much time in vege wasting light and nutrients that we're [00:34:30] paying for.

[00:34:30] Seth: As far as quality goes, You know, the biggest thing I've noticed is how, you know, number one, we got planted pot size ratio. If we got a plant that's too big for the pot. It's really difficult to push any kind of generative strategy to try to promote that flower, production and quality. You know, some even genetics that do good on her vegetative strategies. If you push it too far.

[00:34:49] Seth: You're going to end up with a lower quality plan. Now going all the way back to like two plants per light. I think we're hitting a point where it's kind of inefficient. You know, personally, I like to [00:35:00] run in the nine to 12 plants per light range. I have certainly run less in the past, but I find my quality as a.

[00:35:09] Seth: Is geared a lot more towards how I treat the plant, not how big the plants going to get. If that makes sense. Like I personally I've had great life. Your arm grower. It's really hard to be the three and a half gallon pot. And the, you know, two to four plants per light, let them get kind of big, but it's easy.

[00:35:26] Seth: Yeah, you're going to be able to pull it off with relative ease. [00:35:30] Getting into, you know, more like nine or 12 plants away. Yeah. It might be a little more management, but again, it's all also relative. You know, by the time you grow two plants per light, you probably also done a lot of printing and plant care on those two plants. By the time you've got them.

[00:35:45] Seth: Four months, five months, six months. Lifecycle, you know, depending on how long you've edged those suckers before you flipped up and how big the pot is.

[00:35:54] Seth: Awesome.

[00:35:54] Mandy: Thanks, sir. And thanks for those questions. Keep going.

[00:35:56] Seth: No, sorry. Oh, I was just gonna say so. Like to sum it up.[00:36:00] No, I don't see a quality difference there. In fact, a lot of times I see. Better performance at a younger plans because. They haven't had the time to accumulate any root disease.

[00:36:12] Seth: Viral load or any other problems that associate from keeping an annual plant alive for longer than it would be naturally.

[00:36:20] Mandy: Awesome everyone. Everyone. Write that down. I know I am. These are great questions coming from everyone. So thank you for that. I'm going to pass it back to Kaisha for some of our Instagram questions.

[00:36:29] Kaisha: And [00:36:30] humanity. Yeah, for sure. So many good questions coming through and a great conversation today, Seth really holding it down.

[00:36:35] Kaisha: All right, Gino. Good Rodin. A couple of questions. Let's start with the first one. Hey there. Love listening to the advice, shared an office hours. We appreciate you. Do you know? Good. I wanted to ask a question regarding lighting. If that's something y'all would like to comment on when switching from D E H B S.

[00:36:52] Kaisha: I led with increased PPFD. Can you recommend a good dimming protocol for early flower through the [00:37:00] stretch last bulking period. Flip at around 50%, three 50 you mall. And after stretch, plant height, lights can be around. Lights can be 900 to 1100. Humal at 100%. Does that make sense? That there's a lot of radiation.

[00:37:17] Seth: So, yeah, I mean, number one, we're basing all this off of micromoles obviously you already understand that and it sounds like you have a light meter, so, you know, that's a big hurdle out of the way, right? So yeah, 50% gives you three 50. [00:37:30] That can be a good place to come in and flower. It depends on what your Vedge situation was like.

[00:37:34] Seth: Now a lot of bedrooms, I've seen they, they range, right? We've got some really old school ones. It's still rock 315 watt metal halides. We got thousand. I have lenders in there. We've got some that are rocket LEDs. The big thing is we need to quantify how much light you're putting on the plant before you make that flip.

[00:37:52] Seth: So in an ideal world, we're going to look at DLI, which is, you know, The total sum of all the light energy coming to the plan for that day.[00:38:00] We want to match DLI and vegan flour, and if we have good plant health, Coming out of edge. What that often actually looks like is getting it. You know, ideal world being able to get your veg PPFD up above 500.

[00:38:14] Seth: And so. It depends on how long of a bed you have. If you're able to do that. But if we're matching PPFD, since there's actually. 18 hours of lights on and vege and 12 hours of lights on and flour to get the same total sum of photons going on there. Ratcheting and crank [00:38:30] up that intensity. And this is going to sound a little while, but if you can really nail that badge, you can be coming in at a 500, 5 50.

[00:38:39] Seth: And really hit the ground running at 6 5700. No problem. In your flour. If the plants are coming in and it seems like you've got to turn that down. There's a few things to look at. You know, if you're flipping them really small. That's definitely a consideration just because even though you might have a 0.6 to 0.9 VPD in that room.

[00:38:59] Seth: If [00:39:00] you've got some HIV's on those at all. They can get pretty hot or flip side. They're really far away from LEDs. They're getting a little too cold. Way down in there and they can't handle that. So it's kind of situational. If you're coming in three fifties where you're coming in. Typically you can bump that up fairly quick.

[00:39:18] Seth: You know, within about a week and a half, you should be able to be at 900 to 1100 PPFD that is assuming that your ECE is in check. You don't have plants that are deficient and you [00:39:30] have enough CO2. For your plans to utilize that higher PPFD.

[00:39:36] Kaisha: Okay. Awesome. Thank you so much. All right, I've got another question here from Gino. Good. Should we refrain from increasing the intensity percentage until after stretch during a specific week cultivar dependent. Increasing too bright too soon. She has very minor light broom. Some chlorosis, no necrosis, just looking for a guideline that I can implement and continue reading the plan to find [00:40:00] tune. Thank you for any advice you can offer.

[00:40:02] Seth: Absolutely. I mean, I know I'm kinda answering this very generally. Like I'll pull them up about 5% every day. If I'm coming in pretty low, but the real ideal thing is getting those plants hardened off to those highlight levels because when we've got a flower room, We're looking at, you know, a production room, right? We want those plants able to produce if they're in their 63 days or 57 or 58 days.

[00:40:24] Seth: 56 days. Each one of those days is more than 1% of that plants, production life cycle in that [00:40:30] room. Right. So anytime that we're not able to take advantage of the full inputs that they're capable of putting down, we're actually not making as much money per square foot per day as what we want to make.

[00:40:41] Seth: So ideally we want to have them coming in out of bed rocking and your situation. I would probably start to really try to dial in my veg lights. And because that's one thing I find is a lot of situations. We're looking at three to 400 PPFD and across the whole vege and that's it. Depending on [00:41:00] your system. Some people will move plants across the bedroom. They'll lower lights.

[00:41:04] Seth: Or they'll just increase that intensity. If they have one crop in there begging at a time. Really trying to raise that up. So. Slowly. I guess that 5%, every day is probably plenty. But if other, if they're not surviving that, that flip. Time. I would really be looking into how they're coming out of bed. And then also another one is, you know,

[00:41:25] Seth: Sometimes we come into flower with a little bit low. Not low, but sorry. [00:41:30] Hi VPD and Brenda, what those plans can handle. So some plants. They might be able to take a little bit more of that light at 0.9 VPD compared to 1.2. So that's all food for thought. What was that? You said

[00:41:43] Kaisha: That you want your plants rock and when they're coming out of edge,

[00:41:45] Kaisha: Yeah, exactly. I've teacher t-shirt. We'll see. All right. Rounding out the hour. Y'all so if you're on with us live and you want to get your question answered now is the time be sure you drop it in the chat with that. Let me send it over to you, Mandy. Awesome. Seth

[00:41:59] Mandy: [00:42:00] dropping the knowledge today. Thank you for all these great answers and thank everyone for your questions. We're going to keep going.

[00:42:04] Mandy: To these YouTube ones that we just got in, Kenny wants to know. What's the best way to avoid flushing ISI while doing weekly preventative root grinches.

[00:42:20] Seth: Leaning. Lots and lots of cleaning and your facilities, you don't have to do root trenches. And you know, the other thing to look at too, what are you doing regression for? You're doing them for fungus gnats. [00:42:30] Those fungus gnats donate your roots. They fungus growing around your roots. Why is that fungus there are you putting compost teas on, and now you're chasing your tail. You're feeding the flies and then also trying to kill them on the back end.

[00:42:43] Seth: So, I mean, that's kind of my answer weekly preventative flushes are a bandaid for a different problem. So like when I've used those in the past there were two things present. Number one was an IPM manager who. Failed to understand that those drenches were more impactful than [00:43:00] the fungus gnats themselves.

[00:43:02] Seth: On the plans. Number two. I didn't think about how much money that was.

[00:43:07] Seth: And then number three, you're putting on compost teas. So basically that Dranch was a bandaid and we're using compost teas in a, in a. There are other issues with that? Like, are your irrigation system plugging up? And people want to do that, but basically. We're using things in. The wrong setting in the wrong order.

[00:43:25] Seth: Compost teas can be great, especially in using the right setting. If we're looking at [00:43:30] a situation where we are totally monitoring that environment and we want control of every bug in it. Well, if I pasture as my compost, it's not going to be active. Selma my compost to be, so I can't get that. Compost comes in contaminated at all. Number one.

[00:43:45] Seth: If I get buggy eggs and I got bugs, man. Not going to cook them out cause that. Just make some really expensive dead compost. That's not very good. And then, yeah, like I said, looking at like, what is the bandaid? If you're looking at root aphids, Okay. Where is the reservoir in your [00:44:00] facility? You know, are we looking at a situation where we have the moms in our cloner bedroom?

[00:44:04] Seth: Do we have some kind of element where we can't actually clean out a room and do a full clean. Is, does the facility have organic matter around in places that we don't want it, that they could survive? You know, corners cracks on the floor, things like that. Yeah, I personally, I really don't.

[00:44:22] Seth: Do the root trenches at all, unless it's again, abandoned. So try to find the root cause of where those bugs are coming from. [00:44:30] And actually, if you're listening right now, it'd be great. If you could tell me what you're trying to prevent. Because Rudy, if it's in fungus gnats, that's a different level of severity to.

[00:44:40] Mandy: We love talking about IPN, even though it's a terrible thing to have to deal with. Thank you, Seth, for that, we want to get quickly to our poll that we posed over on YouTube. So we wanted to know. Growers. What's your biggest challenge going into this summer? And we wanted to know if it was keeping up with your yields that you needed to produce.

[00:44:59] Mandy: Keeping up with quality [00:45:00] and consistency or keeping costs down. And you've got 0% quality and consistency got 78% and keeping costs down was 22%. Very interesting. Thank you guys for sharing. We are still getting questions. So I'm going to go through those. GL clarity films wants to know. If I run a raised bed instead of a pot only, but put 16 gallons of coco in, would that still be able to crop steer?

[00:45:27] Mandy: Furthermore, if I added another 16 gallons of [00:45:30] per light, would that still work?

[00:45:33] Seth: Couple of things to address there. So, number one, whether you're planting in the ground in a pot or anything, if you're irrigating, you're always steering your crop. Whether or not that's intentional as a whole different conversation. When we're talking about beds, we're going to be looking at like, okay what kind of a dry bag is achievable in that bed? Because of bad is still essentially a pot it's raised up. Gravity's going to pull water out of that bed.

[00:45:55] Seth: Down into the ground below. The reality is okay. What kind of sensor [00:46:00] do we need? To measure that now we can look at volumetric water content. We can look at soil moisture, potential soil matrix potential. Any of these are going to give us a good idea of what we're doing, but in the end, we need to look at plant to pot size. So if you're trying to steer more.

[00:46:17] Seth: Generatively. That's going to be, you know, Completely intuitive. In those beds because you're going to water and you're going to wait. Because you have a decent volume of substrate there compared to your plant [00:46:30] size. So really if we're talking about like how, what kind of crops during performance can I get out of this bed?

[00:46:37] Seth: How big of a plant am I putting into that bed? And how many of them. Are we coming out to a point where each plant's got. Three gallons of soil, roughly. Cause if so sure. Are we looking at each plant's going to have 10 or 15? Well, then you're only going to be able to go pretty generative in that.

[00:46:56] Seth: And if we are talking about a bed, I mean, if we're going to the point, [00:47:00] especially if it's outdoors in moving in, you know, All these gallons of Coco. By the time you throw a perlite on there, all that per light's doing is opening up poor capacity, poor space and making it so you can't over-water the plant quite as easily.

[00:47:13] Seth: Harbor bacterial infection in the root zone because we're not letting it go anaerobic. If I'm bringing in Coco and perlite to accomplish that, and then also throwing nutrients on top of it. Now in these raised beds, especially if it's outside, we're starting to hit the point where we look [00:47:30] back at more traditional agriculture and actually building soil beds and not necessarily going hydroponic with it.

[00:47:37] Seth: You know, you might use some software, laser supplementation, but at that point we're looking at, okay, we are going to be steering generative in these beds because that's all we can do unless we get that plant to pot size ratio. Correct. Which. If I've got a 15 gallon bed or a 30 gallon bed. That's a pretty big plant.

[00:47:56] Seth: To get a similar ratio to, you know, my four and a half to [00:48:00] five and a half foot tall plant on a slab. So, is it possible to steer that? Yes, but you're going to be always steering for quality. You know, and that's why. We still do see even to this day, like pretty decent outdoor bud. Coming from like Northern California, other places.

[00:48:19] Seth: Where, Hey that's what they're doing in the ground. And these big beds, they go give it one big watering a day. You know,

[00:48:25] Seth: As a cultivator. Yeah. There's things you're out there doing, but you rocking around every [00:48:30] day and popping leaves off as you water the plants. Isn't doing it. It's the fact that you're watering these plants and patiently waiting to water them again. Which is what we, what the plan needs to really drive that floral production to production, cannabinoid production and, you know, improve and increase quality.

[00:48:47] Seth: So go for it. Just know that you're not going to be able to bulk very well.

[00:48:52] Mandy: Awesome. Thank you, Seth, for that. Going back to Kenny's question about IPM. So he says their sister facility has root aphids. [00:49:00] They're just trying to prevent contamination and cross-contamination.

[00:49:05] Seth: Well, then it's going to be not optimal for awhile.

[00:49:09] Seth: You know, if you're going to do a mechanical flush to try to get rid of bugs, you're probably going to flush out some, you see, one thing you can do though. Pending on what you're putting in there. I mean, Yeah, I guess it partially depends on what product you're putting on. One thing I've used to combat that in the past is actually mixing that in with a pH nutrient solution.

[00:49:27] Seth: So like if I had some natural that I was dumping on or [00:49:30] WP 22 number one, do not put either of those products through your irrigation system or a wettable powder. That's not good. It'll plug it right up. You can do it a few times. I'll tell you that, but not too many times. But usually what I'll do is mix up a separate reservoir. They'll go through and hand apply, like with a small sump pump or something.

[00:49:49] Seth: Right onto the media, a nutrient solution set out my 3.0. Or 3.5 or 4.0, wherever is close to where I'm at. Right then that way, when I'm mechanically flushing, I'm [00:50:00] flushing back to where I'm going to be. And if you're having to do these. We'll just call them IPM maintenance flushes, and I get where you're at. If you are solving the problem and you're just trying to ride out.

[00:50:08] Seth: These few harvest, just got to get them out of the facility. You're not going to totally trash and nuke out the facility. Just because you got read aphids. You're going to be running a little bit lower ISI strategy. No, my recommendation would be to stay in that three to five range roughly so that anytime you're doing that flush, you can go back and hit it with a 3.0 solution. The worst you're doing is [00:50:30] flushing it back to your baseline or up to your baseline.

[00:50:33] Seth: It's really when we start playing with that, like, Five to like five baseline to 11 on the upswing or plus. That's when we're hitting the danger, flushing it all completely out of the root zone. If we keep it manageable. I mean, A good way to make you feel better about it as go on the forums and look back about 10 years in the, some of the early Coco Berlin growing X.

[00:50:55] Seth: I remember one of my favorite ones was to mix up a guy like a five gallon or a tote of [00:51:00] nutrient solution and just dunk each pod in and still it's tops bubbling. And then pull it out. And basically the theory behind that was like, Hey, we mix up a 1500 PPM solution, even up to a 2000, but with this incredibly wasteful method,

[00:51:15] Seth: We are giving ourselves the freedom to reset that ECE and pH pretty much every day and have really good control over. So you have options. Running high EPC while you're doing those flushes is just probably not one of them. [00:51:30]

[00:51:30] Mandy: Awesome. Thanks for that advice. And thank you, Kenny, for your questions. Our prayers are with you and we know you can do it, so, yeah. And yeah, we have more questions. So I'm gonna keep going. We have a couple more minutes left in the show. Chuck wants to know. I've heard the quality of plants go down. If you have a mother plant for over a year or so. Is that really true?

[00:51:51] Seth: Yeah. I mean, basically when you, if you think about it, we've got a plant that has spent millions of years evolving to go to seed. And regrow. [00:52:00] Every single year. If you take a plan and keep it in that vegetative state for a long time, there's a few things we're looking at real longterm. We're looking at, you know,

[00:52:08] Seth: Bud sports and somatic mutations. So the individual branches that pop up that are slightly different, you know, just like apples or potatoes. The other problem we really run into, and this actually goes right back to the last question, because I can almost guarantee that somehow they either have Rudy, if it's introduced and they got into their moms, or they brought a mom in with a rude aphid.

[00:52:29] Seth: But [00:52:30] basically. The longer you. I have a plant like that, especially in annual one. In a pot. Sitting in a room. I mean, number one, if you really wanted to keep them that long for a year, I hope you repotting it and treating it like a bonsai tree. But number two. Canvas does Napoli Woody roots.

[00:52:47] Seth: You know, we get disease accumulation in the plan and in the media. So over time, you know, even if it's not your root aphids, if it's Pythium fusarium little bits, Aspirgillus like all [00:53:00] these things can conspire to come together and slowly degrade the health of your mom. And moms that are in poor health produced clowns that don't root as good.

[00:53:07] Seth: I don't grow as fast. And if it's a viral accumulation, Now not just a hops late and by the way, there's several other viruses that can cause strange growth. So some of the best success I actually see is where people. Have the ability to access tissue culture labs. That's huge. That being said that has its own risks. Some we've seen companies suffered contamination and. [00:53:30]

[00:53:30] Seth: Leah's plenty of product, but having a. For lack of a better word, offsite repository for your genetics. Is pretty huge in case you have to clean everything up there. And then being able to essentially crop your moms. So instead of looking at how long can we keep this mom to produce clones for us? It's, what's the minimum amount of time. I need to grow this mom to get the number of cuts that I need for that next round.

[00:53:56] Seth: And then building your mom cropping strategy off that, like, okay, [00:54:00] I need 10 moms of the strain and make my cuts for that next run. Along does that take oh two months? Okay two months ahead of when i need those cuts i'm starting that mom crap And that turns into a whole a mom and clown farming operation And you're building your own commercial nursery At that point which is really a lot of the commercial nurseries too. this is what they're maybe not cropping in quite that fast but one to two months It's usually where we're seeing employment just cause you lose performance And again all the other facility [00:54:30] problems that come with keeping a plant in one spot for that long. It really ruins your ability to properly clean out a room or space

[00:54:39] Mandy: It's super important to have to keep in mind everyone watch out for your mom's I think we have time to get to one more question So What you see of cal-mag should we run during the last week of harvest before harvest

[00:54:53] Seth: The last week before harvest Ah, don't change it Keep running as long as you're not high [00:55:00] in nitrate. If you've got a late bloomer recipe and just ride that out We're just trying to keep isi in there and your plant I can't stress enough outside at nitrate if there is an element in that water that it doesn't want it's going out the bottom of the pot. Into the pot but not into the roots So as far as your ecn cal-mag if you're running Three mils per gallon keep it at three miles per gallon typically at this point in the plant's life cycle, it's not quite as calcium hungry But [00:55:30] obviously If that's part of your current mix keep it in there

[00:55:35] Mandy: Awesome Don't switch it up y'all and yeah i know we got, we flipped a couple of questions over on youtube i think that we're going to save those for the next show we just got a ton of questions this week so thank everyone for those so i'll pass it back to you Kaisha

[00:55:47] Kaisha: Thank you so much mandy i think i have one more that we can address that if you're up for it this one came through from super cotton mouth Quick question so when volume metric water content decreases [00:56:00] Electrical conductivity goes up typically right

[00:56:04] Seth: If we're in a situation where there is enough salt in the solution To overcome the amount the plan is pulling out of the solution to see that so I'll get back to that question earlier if our line we're looking at is a Oh 2.1. Is our baseline isi And we want to see that climb That means the feed we're going to put on has to be in ppm much greater than what the plant's going to take out [00:56:30] in ppm So if we put on an a thousand ppm feed and the plant use that up in a day We're not going to see that line increase it's going to parallel or down if we've stacked up properly to where we're at, we have more salt in there than the plant needs that's when we start to see that inverse reaction where water dries back salt goes up because The water gets transpired the salt states right We just have to hit that point where we have Enough extra food for the plant in the block that it can't possibly run out [00:57:00] of it

[00:57:02] Kaisha: Amazing Thank you for that overview we're going to go ahead and wrap it up on this end anything you want to address before we sign off seth

[00:57:11] Seth: Ah man i don't think so i'm just that. Pretty glad winners over it's great to see everyone getting out there all the outdoor stuff's going on you know people in california now they're not having an unintentionally cold rooms overnight

[00:57:26] Kaisha: You'll be very happy to know i planted my two little i'm doing two [00:57:30] plants. It's plants this year, y'all in my grow bags so i'll keep you posted if anybody's interested

[00:57:37] Mandy: I know i am what are you growing

[00:57:39] Kaisha: Oh my gosh It's called apical i think it's called triple bling she got them started for me so thank you penny for those so excited i'll keep you all posted All right well thank you so much for holding things down so low in the studio this week mandy as always thank you for co [00:58:00] moderating with me and thank you to chris our producer For all of the behind the scenes magic thank you for everyone for joining us for this week's, aroya office hours we do this every thursday and the best way to get answers from the experts is to join us live If you're ready to learn more about a aroyabook a demo on a roy.io, and one of our experts will tell you all about how it can be used to improve your cultivation production process Got a topic you'd like us to cover on office hours Post prices anytime any right app Drop your questions in the chat or on our youtube page send us an email at [00:58:30] support.aroya@metergroup.com. Or dms on all the socials we want to hear from you after the show we'll send everyone in attendance the link to today's video and it will also live on the AROYA youtube channel so be sure to like subscribe and share while you're there See you at the next session thanks everybody