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kh test

  1. M

    150 ppm co2?

    Hello to everyone. Friends, my tank is kh 4- gh-6 My pH is 5.8 although kh is high Is this normal? I think the CO2 is around 150 ppm. There are no fish or other creatures in the aquarium. There are only plants. I've tested my testers many times and there's no margin for error. Calibrations...
  2. nduli

    Nutrafin / Hagen Test instructions

    guys short post, noted number of times people have searched for hagen or nutrafin test kit instructions to no avail. found these that might help anyone in future Click instruction manual underneath where to buy for the PDF's Nutrafin / Hagen PH test...