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Step 4 · Clean Drain and Prepare New Stopper

Before installing the new stopper, take the opportunity to clean. Use paper towels or a rag to wipe away all the grime, hair, and soap scum from inside the drain flange where the stopper sits. A small, stiff brush can help dislodge stubborn buildup. Once clean, unpack your new pop-up stopper and inspect it to ensure it matches the old one and has the necessary hole in its stem for the pivot rod.

Clean Drain and Prepare New Stopper - How to Remove and Replace a Bathroom Sink Pop-Up Stopper - Stesso