Alright, I was going to post this in my grow thread but I thought it would get more answers by its self. My ladies are in their 3/4 week of flowering and the bottom leaves are turning brite yellow. Now I have read lots of threads on this and some say lack of Nitro and others say just normal life cycle snip them off and forget it. So which is it? Ph 6/7 Teamp 90 on top canopy 80 on bottom. One tsp. of powder bloom food per gal. and a capful of superthrive in the res. Wally spring water 12" bubble bar. (1) 250hps (2) 125flors. I would add a picture but it look just like everyother one bottom couple leaves on each plant very yellow and small (not fan leaves) So what should I do oh masters of marajuana?

You are growing Hydro?

Ph for Hydro is 5.2 to 6.2 at most. There is a chart in the FAQ that showes you the available nutrients at different Ph levels. You should check it out.

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Peace
Zandor

If you go cheap you grow cheap. - Me

If your plants were young and the leaves were yellowing it would more than likely be lack of nutrients. Since your plants are almost done, it is a part of ripening. I save all of my late stage leaves, yellow or green and make bubble hash out of them.

dai*ma