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pyrethrins

  1. T

    Pyrethrins in Reservoir

    I can't seem to find any info on this... I'm wondering, after using Doktor Dooms if I need to change my reservoir. I forgot to cover it, but it is under the grow tray so it's not completely open (about 2-3 inches between reservoir and tray. I just did a change a couple days before so I'd...