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  1. H

    Does anybody use ona gel or ona blocks for growing without filtration systems

    Okay thanks
  2. H

    Does anybody use ona gel or ona blocks for growing without filtration systems

    Hi I’m trying to set up a grow room in a guest bedroom that I don’t use anymore pretty decent in size and don’t want the hassle of setting up a filtration system I heard pretty good reviews on ona but I don’t know if ona would completely help with the smell. Let me know if you use just ona and...
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