Part 1. Be sure to shut off the water supply. Flush the toilet once or twice to empty the tank and bowl. Use a sponge to soak up and remove any remaining water in the tank and bowl. Remove the caps over the nuts that hold the base of the bowl to the floor. Remove the nuts. Disconnect the water supply line.
Scrape the wax seal off of the base of the toilet and off of the flange in the floor using a putty knife. Take a new wax seal and place it on top of the flange, making sure that the seal is perfectly centered on the flange. Lift the toilet and set it back on top of the flange, using the bolts as guides for placement.
Provide plenty of ventilation and use a plastic putty knife, followed by a rag soaked in mineral spirits, to clean any remaining wax from around the toilet anchor flange and the drain on the bottom of the toilet (if you're reinstalling it). Remove the old mounting bolts and check the toilet anchor flange for damage.
Products are available to create the proper seal when the toilet is in place, such as taller wax rings and flange spacers. Taller wax rings install just the same as a
Fluidmaster offers a wide variety of toilet wax rings that seal the toilet bowl to the floor.
A wax seal will often last the life of the toilet, 20 or 30 years, without needing to. . 2 Fix a Toilet That Is Leaking From the Base; 3 Clean Up a Toilet Wax Seal .