What could this be??

Springs smoker · Apr 22, 2013

400w, 5gal, week 3 of flower, Giving ph'd water around 5.5-6. Ppm last feed was 637. I al
so gave cal mag last feed. I grow in coco. Runoff is around 6-6.5. Lights have been to the top of my tent, no more groom. I am in 4x2x5. The leaves seem to be tacoing or rolling upwards, this is towards the top of the plant. The bottom fan leaves are showing crispy tips and curling. The temps barely ever reach 80 and the humidity stats around 30-40%. What do you think it is?

seems like the new growth is doing ok but this is my first true grow so if anyone sees the problem throw out the answer.

BuCannabis · Apr 22, 2013

its gonna be fine......but it looks to me like your a little to close to the light.

MadmanStitch · Apr 22, 2013

yea it looks good bro,the older leaves will eventually die nyways but having your light too close will crisp them up like BuCannabis said... if you put your hand under the light above your plants and it feels to warm you should move it up some..

Springs smoker · Apr 22, 2013

That's what I thought but had to ask. I have moved the light as far as it can go, hope that helps

MadmanStitch · Apr 23, 2013

alright bro +1 rep for your ladies also! :weed:

b5150 · Apr 23, 2013

idk if its the light unless it was down super low shouldnt burn the bottom leaves down that low. Could maybe be nitrogen burn or some type of nutrients burn heres what nitrogen burn looks like

Springs smoker · Apr 23, 2013

Yea I thought the light was causing the curling and nute burn had to cause the lower issue. I am using a one part nute program and it has to much nitrogen for them during flower. (I think) thanks for the rep madman

What could this be??

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