Re: Salt? I used Instant Ocean, but had to constantly supplement magnesium and calcium. I have gradually moved to Reef Crystals, which has higher base line levels of these minerals. It is still necessary to supplement, because coral use up these minerals, but I don't have to add as much as with IO. If you have a light coral load, IO would probably be fine.
LL
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180G AGA Reef w/ SPS, LPS, fish; 95G Oceanic Wave mixed reef tank with breeding hippocampus reidi; 20G Frag tank. Ask about our Reef Cam
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