ph swings

  1. Chris25

    Ro Water Ph

    Hi all, I'm trying to breed some cardinal tetras and to do so have a small 20 litre tank with a small sponge filter, heater set at 26c and 6 cardinals in. I believe to breed cardinals I need to get the ph to between 5.5-6.0. My tap water ph comes out at around 8.5 and is hard. To lower the ph...
  2. MikeJojo

    Please share your thoughts about my ph drop...

    Hi Please share your thoughts about my Ph drop. I'm trying to eliminate any factors that gives me some algae. This time is Co2 and if enough is pumped in? I know there is this idea of ideally having 1 degree Ph drop which tells you that you pump just right amount of Co2 but it is not always...
  3. M

    What is worse: permanently high CO2 or dramatic pH swing?

    Hi all, recently I do some pH monitoring in my tanks with CO2, and have some questions which I can't find answer for. I have read some [non-scientific] articles where the authors say that rapid pH changes cause stress to fish. When I measured the pH in my tank during 24 hours period, I have...
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