CO2 indicator using KH4 or tank water?
Posted in Aquarium on Sep 22nd, 2008
I had been using tank water to add into the solution for CO2 indicator. It was normally stated in the instruction manual which come with the CO2 indicator kit (Drop Checker kit). Many aquarium’s forum-er claimed that it will be much more accurate if we were to use a prepared KH4 distilled water as mixture [...]





