picoreef2.5
Aquarium Advice Activist
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- Feb 2, 2015
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What is this ? 
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Sent from my iPhone using Aquarium Advice
What is this !?!
- Thread starter picoreef2.5
- Start date
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Sniperhank
Giant Clam Addict
One of two things. Either a filter feeding worm or it is algae growing. I have very similar red algae that grabs a hold of everything and grows up my glass. It is awful and difficult to remove.
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