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  1. W

    H2O2 & Powdery Mildew

    UV is a great way to kill in the pm in the water going through the UV however it won't help with PM on the leaf and plants, and the PM that are swimming in the water pipe. Only a water sanitizer like chlorine, chlorine dioxide and H2O2. But chlorine products dont work well with plants. Some...
  2. W

    H2O2 & Powdery Mildew

    Peroxide in itself is enough and have less harm for the plants, with adding benefit of providing O2 to the root zone. However, water with pH @ 10 is the optimal for plant growth tho. Hows your experience with this?
  3. W

    H2O2 & Powdery Mildew

    Sorry a bit late in the reply but I would like to say this for other growers who share the same problems stumbling upon here. 1. H2O2 works for a wide range of pH, would say between 5-9 is totally fine so there is no need add pH adjustment. 2. Powdery mildew belongs to a group of...
  4. W

    H2O2 & Powdery Mildew

    Typically UV is designed with certain peak flow rate so definitely need sufficient contact otherwise UV won't be super effective
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