Leaves turning yellow

B

BAY510

Member
I just got me some clones..size are about 6 inches tall. they are in cubes and I have placed them in 3 gallon pots with foxfarm soil. I have them in a tent. Temps are about 65-70 degrees as it's really cold and humidity at between 34-40 inside the tent. the tent is 4x4x7. i have 12 plants inside under a 1000 watt light. i have 3 oscillating fans in each corner and on the 4th corner i have a vortex blowing thru the light and up and out of the tent.

the leaves are starting to turn yellow. is there a problem with my environment? what can i do to make things better. any advice would be good as this is my first time using a tent. thanks
 
X

xtensity

Well-Known Member
yellowing leaves from bottom of plant usually means a nitrogen deficiency, and if they start to yellow from the top I believe that means there's a nute burn.

If you haven't been giving them any nutrients then you should start with giving them a low ratio mix... something along the lines of (2-5)-1-1 (N-P-K ratio).

Nitrogen is used most in vegging.
 
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