Dominik Baldassari Posted July 1, 2021 Share Posted July 1, 2021 Hey Guys! I have an issue with my water here in Phoenix Arizona. After my first water change since the big temperature increase about three weeks ago my fancy goldfish have been very lethargic and sometimes bottom setting. They’ve developed some pimples and I think it’s clear there’s something wrong with the tap water. The usual parameters are OK with pH around 7.8 to 8 but the tap water shows 1% salinity with my salinity meter and I believe the water hardness has drastically increased. I’m in the process of setting up an RO drip system with the hopes of delivering clean inconsistent water all the time forever. My concern now is that the soft water may not be suitable for the goldfish. When I started the process some Google searching resulted in a clear yes the soft water would be fine, I then called two goldfish dealers and they also said it would be fine but I just want to make sure. Have any of you kept fancy goldfish and soft or RO water? Help 🙂 * Please excuse the water quality and the algae. I’m working on green algae carpet Link to comment Share on other sites More sharing options...
Patrick_G Posted July 1, 2021 Share Posted July 1, 2021 My patio pond goldfish are doing fine in very soft water and high temps. Link to comment Share on other sites More sharing options...
Dominik Baldassari Posted July 1, 2021 Author Share Posted July 1, 2021 Thanks! Link to comment Share on other sites More sharing options...
Beardedbillygoat1975 Posted July 2, 2021 Share Posted July 2, 2021 You can always use a remineralizer to get to a certain gh/kh but in general goldfish want middle of the road parameters ph 7 but can tolerate from 6-9, gh/kh 3-12 and tds around 150-300. More or less is probably not a problem. They struggle with big fluctuations and municipalities love to change it up seasonally making it hard in the fish. You can combine your tap and r/o to avoid using a remineralizer but it sounds like you want to control it. Link to comment Share on other sites More sharing options...
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