yellow sponge appearing all over the place

scarpenter

New member
everywhere i look in the tank this yellow sponge is forming on the rocks. i know they are filter feeders, but should i be concerned?
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Dmorty217

Saltwater Addict
No, not sure how long the tank has been up but sponge growing everywhere is a good thing and sign of a mature tank. If it were the pineapple sponges I would suggest that you have a silica issue in the tank but since it is of the yellow variety you are good. I have the same stuff growing all inside of my glove polyp colony.if you really don't like it, I'm sure you can get a angel that will devour it. My emperor ignores mine all together
 

scarpenter

New member
years ago i had natural black tube sponge that was a hitchhiker an spread like wildfire. Then one day it started to all melt. years ago i did not test for things like Ph an calcium. But i wish that stuff would come back. this yellow stuff is not very attractive.
 
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