It's okay with copper power, and seachem says also copper safe.Absolutely bad advice. If the water has copper the fish will die. Never do this.
PSA: PRIME safe to use with COPPER POWER
7/13/2023 Note: There is still some question in my mind about using any of the three copper products (Cupramine, Copper Power and Coppersafe) with an EXCESS of any reducing agents. These can include formalin, sodium thiosulfate, Prime or possibly even Amquel. Anything that can break the...
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