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    Flood/drain- rockwool/hydroton, how often to flood

    Flood and drain complete time = 15 minutes. Make sure you include the time it takes to fill and drain. I grow 8 plants (Always) it takes 2 minutes to fill and 2 minutes to drain, so I add that to my time of 11 minutes. Never exceed 15 Minutes. Veg: 3 times a day Flower: 4 times a day Use this...
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