What is this?
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What is this?

This is a discussion on What is this? within the Beginner Saltwater Aquariums forums, part of the Saltwater Fish and Coral Reef Tanks category; --> Started a 29G Biocube a little over a week ago. Put in 20lbs live rock + 20lbs live sand and let it sit for ...

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Old 07-24-2010, 06:48 PM   #1
 
What is this?

Started a 29G Biocube a little over a week ago. Put in 20lbs live rock + 20lbs live sand and let it sit for a week. 6 days in that star shape appears in the back left corner of the tank. Then it disappears the next day. I thought it was algae that just washed away, but its back. In a different spot against the back of the tank. Any thoughts on what it could be?
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Old 07-24-2010, 11:01 PM   #2
 
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asterina starfish.
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Old 07-28-2010, 03:34 PM   #3
 
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Originally Posted by onefish2fish View Post
asterina starfish.
yea, i had a bunch of those when i started my tank. they dont last tho from what i can tell...
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