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RDWC - bubbles?

Discussion in 'First Time Marijuana Growers' started by Delszeki, Oct 21, 2012.

  1. #1 Delszeki, Oct 21, 2012
    So what IS the purpose of the bubbles in the bucket? Air to the roots, or providing oxygen to the water?

    If the latter answer than is one in the control good enough? How about the waterfall (even broken up?) - how much is sufficient?

    =]
     

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