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  1. gchristo

    Air exchange per cubic foot ratio?

    Fellow growers, I'm in the process of updating my ventilation equipment. How many times per minute or hour should air in grow cabinets be exchanged? Have 2 cabinets, 1 veg - T-5's (35 cubic feet), 1 flower - 600 hps w/ cool tube hood (90 cubic feet), for a total of 125 cubic feet. Planning...
  2. gchristo

    Need light directly on buds?

    Great site, great posters, and great advice:o In order to max yield, do buds need direct light? I ask because my plants are extremely bushy- 14"-16" tall, and 14" - 20" in diameter. They are healthy lush dense plants that seem almost impregnatable to the 400 HPS flowering them. Stems 3/4"...
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