fishlover Posted July 25, 2016 Report Share Posted July 25, 2016 (edited) Hi, Just wondering if anyone in the board runs a water softener for the whole house and use the softened water for their aquarium. Wondering how does the softened water affect aquarium fish. I will install one in my home. I am not sure if I need to bypass it from the tap for the aquarium. Edited July 25, 2016 by fishlover Quote Link to comment Share on other sites More sharing options...
mps Posted August 10, 2016 Report Share Posted August 10, 2016 I've been using water softener for two years in Calgary - mixing bypass cold water with soft hot water for goldfish (120 gallons) and for heavily planted CO2 tank with no issues. I wouldn't do it for saltwater though. Quote Link to comment Share on other sites More sharing options...
geleen Posted August 10, 2016 Report Share Posted August 10, 2016 (edited) It can be done. I would watch test....the dissolved solids they may go as high as 800. I know of Rainbows doing ok where angels and discus and others possibly not so much. J Edited August 10, 2016 by geleen Quote Link to comment Share on other sites More sharing options...
Serenity Posted August 10, 2016 Report Share Posted August 10, 2016 I have one and have never had issues. I did do a bypass on my cold so when I was filling the tank it would basically be diluted 50% but that was also 6 months after I checked how that sink was plumbed. So works both ways. Might be a good idea to take a look at which salt you use as well. Quote Link to comment Share on other sites More sharing options...
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