It never fails, when you are traveling, sleeping, or generally busy -- that is when your protein skimmer seemingly decides to erupt like a volcano. The cup overflows with foam and watery solution, and depending on how the system is set up will get everything in the vicinity wet. The protein skimmer I have is big, and even centered in my sump the resulting spatter just gets everywhere: the refugium light fixture, the lip of my sump, the metalwork of the stand, nearby tubing, wiring and cables. ...