Why isn't my coraline algae growing!

[Timbits]

Originally Posted by lockrookie

define medicated.if copper wasusedthrow the rok out nothingwill grow in thetank period corals or coraline

I was afraid of that... I'm not sure it could very well be copper.

I did get growth on my corals though, some of them are growing like crazy so could it not be copper?

If it's not copper but some other medication than is it ok?

Thx