Calibration fluid? I was told just to use distilled water right off the bat, only thing is I used RO/DI water so I have a feeling my calibration might be off. Well what ever happened my corals are now happier than before (No more closed up zoas and angry acans) so I have a feeling that it was a step in the right direction. Bigmac are your corals showing any stress?
Levi
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