Yeah, I completely jinxed myself. I plan to call Marineland in the morning. I cleaned, inspected and lubed the O ring with Vaseline but that didn't solve the problem. Sucks to have to wait a week but I guess it's better than buying a new filter.regal120gal said:OH MAN ! that seriously sucks yours started leaking . what do you do , call marineland for a new head it'll be to you in about aweek at least mine was . Man thats no good i was just about to get another one or the eheim 2215 which one ,is the dillema with the pros and cons .