Sponge Bob and His Crusty Crab

CoralNoobDude

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Hey Anyone,

Firstn I've got an issue with pineapple sponges invading my tank. I've read various articles on them and wondering if there is anything I need to do or should I just leave them be. Also...wondering if they truly are sponges.

Second, I've got this green crusty stuff growing on my tank apparatuses...can anyone identify it?

Many thanks!

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Maxout

lapin

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Sponges good
Crusty is prob coraline algae. It seems to grow on plastic first.
 
RAP

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