Please id

[Newbiejb]

Hi can some one please tell me what this white looking stuff is they are every where from skimmer to back glass.

 

[viper357]

The 2nd and 3rd pics look like pineapple sponges.

 

[Newbiejb]

Is it good to have in tank

 

[RiaanP]

normally only in younger tanks. They are harmless and filter feeders. They disappear normally with older setups.

 

[Newbiejb]

Ok tx guys. Apriciate the fast response