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Gonna take a fan and have it blow directly through the canopy, will give updates.

I do not have a fan blowing directly on it, but I have a gnarly computer fan pushing at least 100 CFM through a tube on my light. The ambient temp in the box is always within 1 degree of the ambient temp of my room, and the intake is on the bottom of the box. Humidity is currently 17% (that...

Soil compaction was my original guess, and so I transplanted, with the addition of perlite. But I still got the droop! I simply do not understand it at this point. My house is pretty cold throughout the winter (I'm cheap and heating is not) so, the grow op is between 21-23 during the day but...

Yeah, it's pretty old, but its just raw nutrient, the soil bacteria aren't picky :D Like I said though, the yellowing on the underside has halted completely, so any nitrogen deficiency, which is what that really looked like, is gone.

Light's been off almost an hour, so that might be exacerbating the problem (due to normal drooping that occurs in absence of photosynthesis). But it's only been off for like 30 minutes, so not by much.

And I'll beat everyone in saying that yes, there are holes in the bottom of the pot, and no I am not going to go into flowering until the plant has recuperated and is up for it.

So, this is beginning to get a bit frustrating. I was getting ready to go into flowering this week, but last week, my plant seemed to be over watered, so I held off. Anyhow, I let off on water for the usual 3ish days, but it never really responded, until it then seemed to be underwatered, so I...

So I'm curious as to whether or not this is a sign of nutrient defficiency or if it is simply the gal getting old and close to harvest, and thus using up every ounce of food in her, and scrapping her fan leaves. Usually that looks yellow to me, and these leaves have a hint of brown to them...

I live in CO (thank the weed-gods), and the ph of our tap is 7.4, which I assumed was close to neutral to not cause any issues. So I can't imagine it's bad. I feel like it's just shock from the transplant. The damage has halted and the plant seems to be taking off in new growth again.

Hello again RIU, First grow, second problem. I failed at transplanting the other day, and figured I would be paying for it right about now, and here it is! I am not sure, at first I thought it was a phosphorous deficiency, but now that I have CFL light on it, the color doesn't match. So I'm...

Word, thanks for the pointer, man.

Well, as I said, the cool tube is never even too hot to touch, which is what has left me wondering.

I brought home a clone from the dispensary yesterday, and threw 'er in my cab. This morning I woke up and checked on her and discovered she was burned in the midst of the night. Now, I assume I had her too close to my light, but I'm running a 400w hps in a vented cool tube, and the cool tube is...

Hello all, First post to Rollitup, and I have a question regarding supplemental cal-mag with tap water. I've read around and seen people say that in certain areas, if using tap water, there should be no need to add cal-mag, HOWEVER, I do know that in CO, our tap is pretty clean, so I've gotten...