farrell989 Posted March 2, 2021 Share Posted March 2, 2021 Are they plated brass or other metal? Link to comment Share on other sites More sharing options...
lefty o Posted March 2, 2021 Share Posted March 2, 2021 from a recent discussion im fairly certain they are nickel plated brass. Link to comment Share on other sites More sharing options...
farrell989 Posted March 2, 2021 Author Share Posted March 2, 2021 So using them for invertebrates may not be best? Link to comment Share on other sites More sharing options...
lefty o Posted March 2, 2021 Share Posted March 2, 2021 they are not meant to be used in the water, just outside the tank, in the air line where the brass/copper will not cause any problem. Link to comment Share on other sites More sharing options...
Eric R Posted March 2, 2021 Share Posted March 2, 2021 FWIW, I as well as many others have copper in our house piping and do fine with inverts. Copper only tends to be troublesome when intentionally dosed at levels high enough to medicate with. 1 Link to comment Share on other sites More sharing options...
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