Help with Unusual yellowing of older growth + rusting inner ridges (PICS)

[tevfik]

I forgot to add, I put half a cup of Epsom salts in the mix, and I used molasses last water so it should have cal and mag

What about potassium?
Did you add something in the mix for that as well?
Is there anything else that you forgot to tell?

tevfik Reviewed by tevfik on 01-31-2011. Help with Unusual yellowing of older growth + rusting inner ridges (PICS) What is your experience level? Novice Your Equipment: .1) Type and wattage of lights. 400W CMH .2) Distance from tops? 20" .3) Reflector type? batwing .4) Is there a consistent fresh air supply? yes .5) Do you have an exhaust fan and a circulation fan? yes Your medium: Rating: 5