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My perhaps wishful thinking was that the only effect would be in veg and early flower when 24 hr light is utilized. I'm not sure it is in the last half of the flowering phase.

The only auto I have grown is White Dwarf, and I would like to do some again. But, I would need to finish their last 4-5 weeks under 12/12 light in a flowering room (logistics). My question is what effect might that have? I agree that more light is one of the advantages of autos, but it's this...

I just bought an Aerogarden 7 to start new plants and I'm waiting for it to come. I used an AG before and back then you needed a small airstone and pump. I wondered if the newer 7 had air built in or if you still need to add it. Thanks!

I use Humboldt Oneness, Ginormous, Sea Cal and Sea Mag as part of a regular schedule. I have now gotten conflicting answers from Humboldt on whether it is ok to mix the four together in a quart or so of water before adding to each of my four reservoirs. The alternative is measuring each of the...

More research shows that overfeeding of other elements from calcium to manganese can cause iron lockout and iron deficiency symptoms. But again, I trust Humboldt and I'm feeding their schedule. They seem to be greening up some, except for the very tops. Guess I'll wait and see.

I have thought of iron but hate to start supplementing on a guess because sometimes that just makes things worse. But I agree it is better than a guess and I will probably try it.

I don't think it can be underfed. It is getting Humboldt's recommended feeding schedule and was just fed yesterday in a new res. I might worry about over-feeding except that I have long used this schedule and never seen this. I'm just wondering if it might come around itself, and if the top is...

OK here's a pic. The pic doesn't show the yellow as being even as yellow as it really is. What's weird to me is, the yellow leaves seem normal otherwise and the roots look good.

I've seen yellow tips but never the top multiple leaves turning a pale yellow. This is a 4 week NL in hydro on a Humboldt regimen of Oneness, Ginormous, Sea Cal and Sea Mag. The bottom 2/3 of the plant look good and the roots look normal. These top leaves don't seem to be drying out or even...

Once anything organic is off the living plant and in storage, it keeps better in a cool dark place. How much light would it take to lower the potency of buds? There probably is an answer that nobody has bothered to research scientifically because - why bother? Just keep your buds in a cool dark...

Personal reality, eh? Sorry but some things either are or they aren't. Either the cannabis plant evolved over millions of years in such a way that when some distantly future humans starting cultivating it, they would discover that if they treated it like it was from a planet where there is...

I'm thinking your clouds are behind your eyes. BTW, LOL@ "the literature" Print babbles by a flock of stoners is not science. There is absolutely nothing in the real literature to support this claim. It's like saying if you keep a cat in the dark it will turn into a dog.

thread yawn :sleep:

Go measure the light on a cloudy day and then try that level in your flowering room for dark time. No plant experiences 24 hr darkness in nature. Alaska lol. What plants grow in northern Alaska in the dead of winter when there is indeed, 24 hrs of darkness. This whole subject is pure legend.

Nirvana is the closest to the original. Think what you want, nimrod.

I have grown nothing but Nirvana NL fem for several years. It is the closest to the original NL. I now and then get one whose phenotype is odd, lanky and more sativa looking, but overall it is a very stable and very forgiving strain to grow.

If this is a fact, do you have a single source for it? Folk wisdom is not a source. Show me something from botany or plant science that says "any" plant will do "anything" with 24 hours of dark (which is not found in nature) that it won't do with natural light cycles.

Sounds like folk wisdom to me. Until someone can explain exactly "why" a cannabis plant left in the dark for a few days produces more of anything, I don't buy it. For such a claim to be true, there would have to be an evolutionary explanation for why this plant responds botanically to a...

If I want taste I get jelly belly.

Of course you give them 24 hours of dark. That's the way nature does it, isn't it? :roll: ps The biggest variable is not what you do in the final days before harvest, but how well you cure. I never ever smoke any buds until they have cured properly (in glass with controlled humidity) for a...