In the past year I've done 4 switches in salt brands and found no ill effects on my tank. When I switch salts I am doing a 15-18 % water change, so it is mixing with the current salt in the tank.
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RSM 250. Clownfish, Fox face, Blue tang, Yellow tang, Kole tang, Clown tang, Coral beauty angel, French Angel, splendid dottyback. CUC, softies, lps, sps.
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