Slime on air stone

[tp1011]

I found this slime on my wood air stone.
Could this be a contributor to elevated levels of nitrate

 

[Smitty]

Not necessarily high nitrates, but higher organic matter. The stone is doing what a protein skimmer would do, and that's gather all the organic matter and proteins in the tank. You should also try running carbon, just in case it's slime/chemical warfare from your corals.

 

[mariobrothersleeve]

Yes, absolutely normal for the limewood to do that. Biocube requires you to replace limewood once a month. People tend to go with ones without airstones. Looks in need of replacment:D

 

[tp1011]

is there another air stone I can use so I dont have to replace it once a month or can I just clean it really good

 

[mariobrothersleeve]

Same airstone, just replaced.