Bob46 New member Aug 30, 2014 #1 Does anyone know what this stuff is? Thanks Attachments 0830141621[1].jpg 65.6 KB · Views: 15 0830141621a[1].jpg 66 KB · Views: 17
L lazy_reefer New member Aug 31, 2014 #5 sponge. dont worry too much about stuff that grow in your tank before it do bad stuff to your tank.
![0830141621[1].jpg](https://reefcentral-data.xenforo.cloud/attachments/167/167264-6c46570db627d6d675c917cc7b8dfcab.jpg?hash=bEZXDbYn1t)
![0830141621a[1].jpg](https://reefcentral-data.xenforo.cloud/attachments/167/167265-174b40d63b806f5aac62c66a607e9f70.jpg?hash=F0tA1juAb1)
