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					Originally Posted by BlueTang<3  How old are your test kits ? I am not sure that io levels are out of pail but 990 seems lower than what they would aim for.
 How big is your tank, what's in it for corals. I take it your not supplementing your levels.
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 Test kits are brand new. Tank is 54g. Not supplementing levels. As for corals I have zoas/palys, hammer, torch, and frogspawn.