Step 1 · Inspect and Replace the Toilet Flapper

This is the step people usually slow down on. Go finger-tight first, then a quarter turn. No rush — replay the clip whenever it helps.

Begin by carefully examining the flapper. Remove the tank lid and thoroughly inspect the flapper for any signs of damage, wear, or improper seating. If the flapper isn't creating a good seal, it needs to be replaced. Follow these steps for removing the old one: