Jason A. Posted December 11, 2021 Share Posted December 11, 2021 I have a 40 breeder with a plenum 307 fluval canister fliter. I've had a higher ph than I'm comfortable with roughly 7.4-7.8 The normal other tests are ok but I used a tds meter and found I had over a 600 reading so I checked my gh/kh and my kh changed at 3 drops, but my kh didn't change even at 30 drops so I did a 10% water change and the tds read 470(ish) and now a day later reads a little over 500 I'm planning to do another water change in a few days just don't want to change much to fast so I can save what fish I have left. I purchased 20 cardinals and after I added 5 apistogramma agassizii the cardinals started dropping off 1-2 every other day and now I have 1 apistogramma and 5 cardinals remaining Link to comment Share on other sites More sharing options...
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