Originally Posted by Rscomia
Coraline would be my guess cleaning it possibly weekend the coraline to the point some is being skimmed
That's what I was thinking too.. Thank you! Skimmer is a rockstar now lol, nice and quiet and producing a lot more bubbles now that some Colonista snails and caked on algae and detritus buildup have been removed from the impeller and airline lol...