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Sina5587

Aquarium Advice Apprentice
Joined
Oct 3, 2011
Messages
31
Location
Holmes PA
I have these green tubes popping up in my new saltwater tank (two weeks) and was wondering what thy are. I have two crabs two shrimp ten snails and five hermit crabs in my 30 gallon tank with live sand and sixty-five pounds live rock. They didn't pop up untill after I bought the snails and hermit crabs.
 

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