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Ideal Light Intensity For Different Stages Of Flower Using High Power LEDs

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Ideal Light Intensity For Different Stages Of Flower Using High Power LEDs

Davidjreimer 28 Replies 103,485 Views
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Oh the take the high road approach now. This is typically called the 180. I am very well aware of how this is implemented. You get called out for posting your bragging in someone else's thread than you try to turn things around and become the good guy. First of all, if you are running Jacks per the formula it is not 3-2-0. it is 3.79, 2.52 and .99. This is the current recommended dose. if you want to keep this going I will respond when I have time but I stand by my words and options. I understand they can be harsh but sometimes the truth hurts.
Doesn't bother me in the least. I don't doubt that you're well intended but you're logically clumsy.

Good example - Jacks sells nutrients that sell under the name of a "3-2-1" formulation which is based on the following number of grams per gallon - Part A 3.79, Part B 2.52, and Epsom salts at 0.99. That was current as of a few days ago.

I wrote that I'm using Jack's 3-2-0 because I am using Jacks 3-2-1 formulation without the Epsom salt. I call that Jack's 3-2-0 to indicate that fact. I guess you weren't able to figure that out or you just can't help but troll me.

And don't get your knickers in a twist about the need for the Epsom. The strain that I was growing didn't need the extra Mg and S because there's a fair amount of those without adding the Epsom.

So yes, you completely missed the mark. Instead of inquiring about that you attempt to find fault when, as it appears, you were not able to think of an alternative approach or perhaps you're just pathetically intellectual lazy.

You may well have the most sincere intentions. I don't care. I'm simply not interested in what you have to say.
 
Doesn't bother me in the least. I don't doubt that you're well intended but you're logically clumsy.

Good example - Jacks sells nutrients that sell under the name of a "3-2-1" formulation which is based on the following number of grams per gallon - Part A 3.79, Part B 2.52, and Epsom salts at 0.99. That was current as of a few days ago.

I wrote that I'm using Jack's 3-2-0 because I am using Jacks 3-2-1 formulation without the Epsom salt. I call that Jack's 3-2-0 to indicate that fact. I guess you weren't able to figure that out or you just can't help but troll me.

And don't get your knickers in a twist about the need for the Epsom. The strain that I was growing didn't need the extra Mg and S because there's a fair amount of those without adding the Epsom.

So yes, you completely missed the mark. Instead of inquiring about that you attempt to find fault when, as it appears, you were not able to think of an alternative approach or perhaps you're just pathetically intellectual lazy.

You may well have the most sincere intentions. I don't care. I'm simply not interested in what you have to say.
Can you please hit either the ignore button Johnny
 
Doesn't bother me in the least. I don't doubt that you're well intended but you're logically clumsy.

Good example - Jacks sells nutrients that sell under the name of a "3-2-1" formulation which is based on the following number of grams per gallon - Part A 3.79, Part B 2.52, and Epsom salts at 0.99. That was current as of a few days ago.

I wrote that I'm using Jack's 3-2-0 because I am using Jacks 3-2-1 formulation without the Epsom salt. I call that Jack's 3-2-0 to indicate that fact. I guess you weren't able to figure that out or you just can't help but troll me.

And don't get your knickers in a twist about the need for the Epsom. The strain that I was growing didn't need the extra Mg and S because there's a fair amount of those without adding the Epsom.

So yes, you completely missed the mark. Instead of inquiring about that you attempt to find fault when, as it appears, you were not able to think of an alternative approach or perhaps you're just pathetically intellectual lazy.

You may well have the most sincere intentions. I don't care. I'm simply not interested in what you have to say.
Jacks does not have a published formula called 3-2-0. That being said I am aware of individuals trying to omit the epsom salt. While it can be done it is not advisable. CA and Mg need to be kept in tight relationship. They are antagonist with each other. Two much of one is going to affect the uptake of the other. This is going directly against what the manufacturer has determined at the ideal values for each component. Does it grow plants yes, but why would JR Peters include Epsom Salt in their formulation if there is not a need for the additional Mg and S. Maybe it is the S that they are looking for. But you are trying to say, I know more than a fertilizer company with 70 years of experience with capabilities far above those of a home grower. I have done my research and I am well aware of the values needed to sustain cannabis plants. Jacks is just a simple straight forward product that will grow plants well. Is it the best, probably not but with a basic three part you have the option of making tweaks to parts without getting out of control on the plants.

I did light you up, for that I am sorry. I do not take it lightly when someone with a low post count, recommends viewing their grow journal on another Forum and basically stumps a senior member. I stand by my statements as they are true and factual.
 
Funny, you sound very credible but you're wrong on a number of counts.

"I am really not impressed by your work." what an obnoxious lead in. It really poisons the rest of what you've written.

When a plant is topped there is no central cola - so do I think that you have any idea of what you're talking about when you say something that is so fundamentally wrong? Well, it's tempting - after all, that's a fundamental piece information that what happens when you top a plant? Nah, just a brain cramp.

Those were the 20± secondary colas that were flopping all over the place.

"Overfed" - wrong again. The EC never got over 1.6 and was closer to 1.2 at the end of the grow. The only time there was any indication of nute burn was in early veg when I dropped some res water on one leaf.

Foxtails - Wrong again. Those colas were a very similar size, were round, and almost incompressible. I've seen fox tailing. That happened to my second grow and was definitely an issue with too much light. These two plants produced large, dense nugs.

"the quality or quantity you feel you have." - until the above statement, I have mentioned nothing about "quality" so you know nothing about how I "feel" about it.
There's no "feeling" about the quantity. Everything was measured and accounted for to 1/100 gm. As with my statement about quality, since I've never discussed the quantity aspect, so you have no basis to state that you have any insight whatsoever about my "feelings" about those issues.

So, about 90% of what you wrote is utter bullshit but, heh, there's a ray of sunshine down here.

"I do not mean to sound degrading but your work is not up the the quality we see here on the farm." Thank you for that feedback.
Pretty sure the "foxtailing" is just the ruderalis pheno showing, the 6k+ autos ive flowered did that, with a tight trim you end up with ugly smalls, you might get weight, good enough for extraction but they rarely(if ever) get over 25% depending on the testing facility
 
Pretty sure the "foxtailing" is just the ruderalis pheno showing, the 6k+ autos ive flowered did that, with a tight trim you end up with ugly smalls, you might get weight, good enough for extraction but they rarely(if ever) get over 25% depending on the testing facility
Wow, it's been a long time!

I've run autos and photos in the interim and I've seen that in the Gorilla Glue based cultivars. I haven't seen it in autos specifically.

You've grow 6000 autos? Wow. That's amazing. I only do one (or two) plants at a time and can't grow in the summer because of the heat (I'm in Southern California).

Interesting to read what I was posting "way back then". I'm using the same techniques and getting, pretty much, the same results. Lots of weed but it's all ugly. That's the way that I look at it—I get a lot of weed but it will never have bag appeal.

Per fox tailing—it really comes down to, and I hate to sound like I'm dodging the issues, what is the definition of a foxtail? As I posted previously, I've had plant that fox tailed. There really weren't any colas, just a lot of buds running up the branch.

I was trying to use my one light to solve the problem of what I have come to refer to as "Twinz" grows, (the movie with Schwarzenegger and deVito). I was being penny wise and pound foolish because I ended up getting crap results from the big plant.
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And ended up buying a Vipar XS 1500 for the little plant anyway.

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I think this was "Fred", the little one being "Wilma".
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When I first tried to harvest, I tried to find buds to clip off and just gave up. Instead, I pulled the colas off the branch/stem by making a fist and stripping them off. It was a real mess.

To my way of thinking, this is fox tailing.
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The big ugly buds continue to have "protuberances" or "horns".

Is that foxtailiing? I don't think so because they look nothing like a fox tail.

There's a thread for GG grows on another forum and a lot of growers are seeing similar growths from their larger colas so I think it's a characteristic of the cultivar when it's grown at high light. I also noticed that at about day 80 the horns started appearing and they continued to grow until I chopped at about day 120. This last grow wasn't an autoflower, it was an "Original Glue" photoperiod from Nirvana that I bought back in 2021. Same nutes, same light but I've added a pair of Vipar GlowR80's, and very similar yield (even though I broke off two stems from the plant!).

This was from day 118 of the grow:
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I do apologize for posting the name of another site. That was a mistake on my part, not intentional. In my defense, I wasn't aware that it was a faux pas at that time but, looking back on it now, no question that it's something I shouldn't have a done.
 
Pot growers don't believe in chemistry. They think it's thc elves building the high in the plant, nor nutrients.


Ask any pot grower about nutrition, they know nothing. They actually know misinformation about nutrition, less than nothing. For worse than nothing.

But they will make up all this pointless laughable dogma about everything else, and "dim the light" when their nutrients are lacking.
That's a pretty broad generalization and when I check out your postings on other threads, I see that you do paint in broad strokes.

I don't post here much, perhaps that's due to the responses to my earlier postings in this thread. I simply don't recall why, to be frank. My impressions are based on being active on two other cannabis sites and they each seem to have their own "flavor". Overall, though, I agree that growers don't dig into the details and that's not a bad thing, in my book. Having been in the work force for about half a century, that's pretty much how things work out in all endeavors.

Sure, it would be great to have the understanding of the principles of how plants function (at least A level or a few years in college/univerity) but that's not what's needed to grow cannabis. Fortunately, it's pretty easy to get a decent crop but that does tend to happen to growers who, at the very least, put in the effort to read the "how to" section that sites have and follow the guidance there.

As I see it, that's pretty amazing that by just following the basics, a grower can get a decent harvest. Of course, a big part of that is having a grow environment that's suitable. If a grower has, say, lousy tap water and doesn't know it or if they're in high humidity or cold temps, things won't turn out well without putting in some work. Overall, though, in most climates, someone can end up with a fair amount of product and learn some things, both in terms of plant biology and about themselves, along the way.

Re. misinformation—agree. There's a lot of misunderstanding and I see a fair amount of Dunning-Kruger. That, in turn, may well be a function of what I wrote about above.

Given that cannabis seems to be a pretty resilient plant (I've never grown anything else so I don't have anything to compare it to), many growers have been getting good crops for years and years simply because they didn't fuck things up.

Is that "expertise"? Not in my book. On "another forum", I walked away from a poster who said he was a "master grower" because he had 25 years of experience. My perspective is that there's no upside to engaging with someone who bases their expertise on their longevity in a field. So, yes, there's no shortage of people with strong beliefs which conflict with basic plant biology but, frankly, who cares? It's no skin off of my nose.

The unfortunate thing is that gullible newbies latch on to their words and, as a result, they end up with "modest" yields. Well, yes, that happens but we see that in all endeavors. People who don't any better follow the advice of people who appear to offer sound advice but really are just repeating the same tribal knowledge that they've heard from others. Is that really all that bad? To me, no. They've found a hobby that they enjoy and they're happy with the results.

"But they will make up all this pointless laughable dogma about everything else, and "dim the light" when their nutrients are lacking."
No doubt. On the other two sites, I've been "spreading the good word" about growing under high light rather than, as I've come to refer to it, "legacy light levels" of 300 for seedlings, 300-600 in veg, and 600+ in flower with growers "inching up the light levels" to 700µmol. Many growers follow the chart at growlightmeter.com precisely, and take comfort in knowing that they're doing things just right. Rather than dick wiggle, my preference is to state my thesis, provide facts to support my assertions, and leave it up to the reader. In most cases, people are not convinced, and are more comfortable with following conventional wisdom. I don't have an issue with that because it takes a lot of time for people to change.

A few moments of seeking other information would show that to have no basis in reality but, in the long run, it really doesn't matter because "exceeding seed seller's recommendations" is not why they're growing cannabis.

Most growers "just want to grow some weed" and they are. For a few years, they put the time and money into growing and it scratches an itch. My belief is that there's a better way to do things and some growers latch on to it right away. But, in most cases, nah. That doesn't bother me in the least. If they're happy with the results they're getting, that's what counts and I'm happy for them.
 
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