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- Nov 24, 2019
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This is what I was trying to explain. You should have normal coralline growth from snails hermits etc. there is probably a bigger problem if you don’t have it growing after a year. He should go to the lfs and ask for a couple of shells with coralline and throw it in the tank. Yes you can grow stuff without coralline but if coralline isnt growing, there’s a bigger problem.
My answer, yes you can have corals without coralline, BUT, if your tank had been running for almost a year, there almost HAS to be an underlying problem, what are you params, how stable are they, what clean up crew (for coralline seeding). I would seriously recommend an ICP test to be sure there isn’t anything wrong.

