Nathan04 Posted December 13, 2020 Share Posted December 13, 2020 I already have an rodi system up and running for my saltwater tanks, and my tapwater can't keep fish alive. So I was wondering how to re mineralize it for tetras, cory's, and other community fish Link to comment Share on other sites More sharing options...
Daniel Posted December 13, 2020 Share Posted December 13, 2020 I add this (sparingly) to my tank of RODI water before I use the water in my aquariums. 1 Link to comment Share on other sites More sharing options...
Struggle Posted December 13, 2020 Share Posted December 13, 2020 I mix in some of my dechlorinated tap water for fish and shrimp salt for shrimp. 1 Link to comment Share on other sites More sharing options...
Hobbit Posted December 13, 2020 Share Posted December 13, 2020 I don’t have DI water but my well water has basically nothing in it. To mineralize it I use a combo of cichlid salt (probably something similar to what Daniel has pictured there) and baking soda. I add some calcium carbonate (powdered limestone) every once in a while as well. 2 Link to comment Share on other sites More sharing options...
3vi1p3nguin Posted December 13, 2020 Share Posted December 13, 2020 I use green leaf aquarium GH booster Link to comment Share on other sites More sharing options...
Nathan04 Posted December 14, 2020 Author Share Posted December 14, 2020 Follow up question, what tds do you get it to and for what kind of fish Link to comment Share on other sites More sharing options...
3vi1p3nguin Posted December 14, 2020 Share Posted December 14, 2020 (edited) IMO, tds is a misunderstood tool that makes people chase non existent problems. 200 tds with ferts in the water is not the same as 200 tds of waste. If you want to use tds, find out what your tank is at after a water change, gh booster, and any ferts you use, and use that as a starting point. TDS will be higher for higher ph/gh water. For example, if your TDS after all the above is 150, then base any water changes off of that as a starting point. I target my re-mineralized water based on gh. I typically only use the R/O for one tank, my south american tank, and keep around a gh of 7, which leaves me with a stable ph around 7.2. I use around when re-mineralizing water because in my experience there will always be some slight gh/ph variation in the tank. I do use gh booster and ro for my africans and guppies seasonally based on how my well is, but it takes a significant amount to get there. edited for grammer Edited December 14, 2020 by 3vi1p3nguin Link to comment Share on other sites More sharing options...
Mmiller2001 Posted December 14, 2020 Share Posted December 14, 2020 (edited) Seachem Equilibrium is solid. Very affordable too. I can hit 5 to 6GH, 4KH and be right at 200 TDS. Edited December 14, 2020 by Mmiller2001 Link to comment Share on other sites More sharing options...
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