hello,

just woke up and checked my plants. the runt's leaves have turned sharply yellow and droopy and all the stems are purple/red. she's 1 month, 2 weeks old and 1 week into flowering. 22,000 lumens in 2700k spectrum. I'm feeding 5-10-15 fertilizer and watering every other day, making sure top 3" are plenty dry.

Could it be heat stress? or some type of temperature difference shock? it gets into the mid 80's when lights are on and around 75 over night.

ventalation air movement (a fan)

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holey moley

The yellowing sounds like a Nitro defeciency. I had the same issue. I fert'd with some FoxFarm GrowBig and the problem was gone the next day.

The drooping leaves could the heat. Try to get the temps down. Ventilation...fans...whatever you can do to replace your grow area's air supply once every 5 minutes. Fans would be the cost effective way to go.

yea, bigger fan. totally. my fan sucks. it doesn't oscillate (sp?).

thanks a lot Bloodshoti'z and widow man.

just to be sure, sort of.

Attached Images

06-03-07_1402.jpg (14.9 KB, 231 views)

my plant looks great but i have it on 24/24 the other day the stems started turning red, i have a fan and try to keep the temp around 75-79 all day around. Are red stems bad?

its just a genetic thing that strain has. if the plant looks O.K. overall then i would'nt worry about it.

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"5TON3D AGA1N"
peace

The other day it started to get black spots on it, i think it might have to do with my ph but im not sure. Anyone have a idea what it could be?

red stems are a sign of stress. rapidly growing marijuana will have very light green very soft stems stress causes them to turn red and very stiff and growth slows.