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Rusty Trichome Reviewed by Rusty Trichome 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