did u do a waterchange after or can i run fresh carbon instead?
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I always did a water change cause that's what the directions said.i know that one time I did not do a water change and did not notice a difference in the results.a least from what I remember.i do only do a 1/2 treatment.that stuff is pretty good on cyano.i have not seen any reaction from corals.it really is very reef safe.did u do a waterchange after or can i run fresh carbon instead?

