John P Upper Arlington , OH May 13, 2019 Filter had a waxy film on it I suspect the wax was the result of a change in detergent brand (Finish detergent left a residue). While I was able to clean it off with alcohol, I decided to replace the filter anyway and keep the old one as a backup. Read More... 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes