ppm

  1. AltusC

    [wtd] RO Unit Fittings In Cape Town

    I'm based in Cape Town and recently I bought the following from https://www.marine-aquarium.co.za: RO Unit, Two pass TDS Meter Digital TDS meter I've installed the Two Pass TDS Meter before and after the membrane and all seems good, the Two Pass TDS Meter reads about 90ppm inlet and 0ppm...
  2. Uysster

    First water parameter tests after 2 years.

    Hi there everyone. So I have finally pinched my eyes close and acquired my first tests for checking some parameters after running my first and only reef setup for almost 2 years now. The main reason for this is I have been struggling since day one with unbearable amounts of algae and as I have...
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