Small closet, 2 x 6 area. 260 CFM can fan drawing the heat out of the closet from the light as well. 400 watt HPS system. GH water farm & nutes for the medium. water cycles was 15 minutes every 1 12/2 hrs during light. My buddy told me that wasn't enough. he said during the veg. stage to water 15 min every hr. So who knows.
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