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ph controller comfort

  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. E

    Replacement Ph probe for Dennerle

    So eventually it's taken me long enough to start looking at planted tanks, tropical fish keeper all my life grown plants here and there, but not a planted landscape, so eventually started with a Nano 20L tank to experiment with before moving on to larger systems. Anyway, I'm fortunate to come...
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