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Leaves curling down not all
PortkeyCannabisstarted grow question 3 years ago
Why do my leaves look sad not all of them just like the smaller newer ones?
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GrowingGrannieanswered grow question 3 years ago
I think you are either overwatering or underwatering... both can cause this issue. I would also raise your lights to be at least 24-30" away from your plants because they're also exhibiting signs of heat/light stress.. doing that will also help them to stretch... if that's not possible, consider doing some LST to pull them down and away.
Other that that, you want to cut WAY back on your Grow Big.... autos in flower do NOT like as much nitrogen as Grow Big gives (I use Fox Farm, too!)... I'd actually flip the amount of Grow Big and Tiger Bloom since Tiger Bloom also has a lot of nitrogen in it... Your humidity also looks to be a bit too high for flowering... you don't want to run the risk of bud rot so get the humidity down to about 50% max (even 40% would be just fine).
Good luck and keep us posted!
Organomananswered grow question 3 years ago
Nitrogen toxicity from feeding too much or too often or both.
The super dark green leaves tell the tale.
Autos can get by just fine with half to three quarters strength nutrients.
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