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oh well I tried. I knew it wasn't exactly ro water, but it should be better than my tap. All the reading i have done both online and in book, does not state that high calcium is a problem. In fact ususally the issue is the oposite, being not enough calcium. I have not read that it could be harmful to my fish, live rock, sand or corals. So, I am not sure if I just leave it alone or what.
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