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API GH/KH test kit

Discussion in 'Freshwater Equipment, Products, & DIY' started by LMOUTHBASS, Feb 5, 2012.


    LMOUTHBASS My hypocrisy goes only so far

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    Anyone ever use the API liquid solution to test GH/KH?

    I just tested the GH and it was easy to do. I'm confused about the KH though. Its the same procedure, however the problem is with the coloration of the liquid.

    The instructions say "Test is complete when water turns from BLUE to YELLOW." The problem is that the liquid droplets are orange. It stays ORANGE the whole time, and the drops are never blue to begin with so it really can't turn from blue to yellow.

    Did I get a faulty bottle of liquid, or am I missing something here?
  2. SubRosa

    SubRosa AC Members

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    Orange is the starting color of the GH kit.

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