greyish stuff under my live rock. have no idea what it is. only showing under one rock and not anywhere else in my tank. sorry for the horrible pic. its tough to make out also but i think yu can see what im talking about. if its bad should i get rid of the rock? replace with a good one with coralline algae all over from the store and hope it spreads?
greyish stuff under my live rock
- Thread starter stan450z
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Sniperhank
Giant Clam Addict
Sounds like a sponge. Harmless.
Here's a clearer picture. It coats the entire bottom do you still think it's a sponge? It doesn't really scratch off.
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Sniperhank
Giant Clam Addict
Is it easily blown off?
no it does not. i have a little bit of sponge growth on my in one part and looks nothing like this. its more of a gray/blueish.
Sniperhank
Giant Clam Addict
Then I'm not sure, I really can't see it. I'd still suspect a sponge.
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