DreaminginBlue Posted January 27, 2019 Report Share Posted January 27, 2019 Now that I’ve added some pretty messy mystery snails (8 of them) to my 20 gallon blue dream tank, I was wondering how often and how much I should change the water? Is 50% twice a month good? I know if you change the water too often or too much at a time, it can stress the shrimp, but I want to make sure everything stays at a safe level for them. Quote Link to comment Share on other sites More sharing options...
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