Regrowing coralline algae
Does anyone have any ideas on how to speed the growth of coralline algae? We had a long tentacle spiny urchin that wiped pretty much all of ours out. Now most of our rock is really drab. It's slowly coming back, but I'd like to help it along if I can.
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90 gallon mixed reef, 29 gallon FOWLR, 6 gallon nano
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