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Originally Posted by psiico
Just about all the red coralline is gone but there's lots of green growing and that patch of maroon survived and is spreading onto some reef rock.
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Now is the perfect time to test calcium and alk levels. Raising calcium levels, if they have been depleted during the curing process will bring back your coraline algae. Wish I had paid more attention to alk and calcium when I was setting up all my tanks. I'm sure I would have a lot more coraline now if I had.
Here's a great article on alk and calcium:
http://www.advancedaquarist.com/issues/nov2002/chem.htm