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It wasn't as efficient as it used to be so I cleaned the pump out and the airline, now the water it's skimming is pink? Possible coralline algae from the inside of the unit?
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...