Airstone Replacment

[lsaint88]

How often should I Replace my airstone in my biocube protein Skimmer?

 

[Loki]

Thats a good question. I have one and I took it out the other day and it was black. It has never skimmed much so I have left it out of the tank.

 

[lsaint88]

Ya Mine is black too but it is skimming good so idk

 

[lsaint88]

Bump

 

[SeahorseKeeper]

Every 2-3 months. They don't have a long lifespan.