o2 grow emitters

  1. dankwaver

    O2 grow emitter confusion

    Hi guys ive had o2 grow for about 2 years now and used maybe less then 400 hours, bubbles were great until i cleaned the irridium off so i bought new pair from ebay and that black irridium coating was all gone, l returned them and got 2 more emitters from ESOTERIC HYDROPONICS and they just...
  2. Ganjineer

    Oxygen generator vs air stone? Concepts and DIY approaches.

    I got curious about the use of electrolytic oxygen generators from this thread discussing the O2 Grow dissolved oxygen emitters. However, there is little to no unbiased (non-shill) reviews about the product available...
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