phosphorous

I got a 4x8 tent going with a 1000w MH dimmed down to 750w at about 15-16 inches from the tallest for the moment with about 6 clones going and some random bagseed going along with em. My problem is two of the clones (Strawberry Haze) are showing what I believe to be a Phosphorous deficiency for...

I am growing Cinex in Roots Organics soil ALMOST 100% organically. Prior to this entire experience, my leaves had exhibited interveinal chlorosis and heavy ridging leading me to believe it could be a zinc deficiency. Very cautiously I added a small amount of zinc, which did seem to correct the...