high bro, as you can't post pics you might want to scroll through this link as
Stitch really knows her stuff.

The Complete guide to Sick Plants,pH, and Pest troubles! - International Cannagraphic Magazine Forums

btw, this thread is so good it was reorganized and compiled into a book that
is available on Amazon.com for $12.00 and worth every penny!
justanotherbozo Reviewed by justanotherbozo on . edges of leaves are light yellow, some plants only I started 24 plants in small starter cubes under fluorescent lamp array (8 lamps) without problems. At two weeks transplanted into hydroton flood and drain system under 2 600 W lamps. I'm using Advanced Nutrients "Light Feeding" program. pH levels have run a little high, but never above 7; usually around 6.25 pH. All water has been run through reverse osmosis filtering system, and I change water once a week. Plants are growing well and at 4 weeks are about 1 foot high with dense, not Rating: 5