MsBeanCtr
Aquarium Advice FINatic
I'm not sure what this is but it's growing on the underside of a piece of live rock (the center of the picture - it's white in color and "fluffy" looking-just above the shrimps antenna). I'm thinking I should just leave it be but since I'm not quite sure what it is, I can't verify that it's not something "bad."
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![img_816663_0_dd50157c75f33b23b476e6ee93812355.jpg](https://www.aquariumadvice.com/attachments/photobucket/img_816663_0_dd50157c75f33b23b476e6ee93812355.jpg)