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water values

  1. Typical Finished Water Values?

    Beginner Freshwater Aquarium
    Hi, I saw a posting (copied below) in these forums that listed extensive water values. How does one go about obtaining all of these measurements? So far, all I have is the API master test kit and a kh/gh test kit. Also on the other end of the spectrum, I got an active sponge filter from...
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