no idea...

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aralls92

Aquarium Advice Apprentice
Joined
Apr 7, 2011
Messages
21
I've had this tank established for 5 or 6 months, two three striped damsels. Two clowns. Two snails. A few hermit crabs. Coral banded shrimp. Daisy polyps, anenome, various zooanthids. Two blue damsels that died two and four weeks agoAnd I just saw this today. It is very new and I'm not sure what it is. I'll have to post the picture in a few minutes from my computer
 
Here is the photo.
 

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Its foamy looking. bubbles. and high columns/piles of it. it jiggles when water goes past.
 
looks like it could be cyanobacteria. what is your water change regimen? How do you export nutrients and how do you feed? have you tested for ammonia or nitrite recently?
 
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