Scrape off the old wax ring from the flange, toilet base, and floor using a putty knife. Inspect the flange for cracks, rust, ...
Before you begin removing a toilet, it’s also important to decide what size wax ring is required. When replacing toilets, if the floor flange and drain pipe are any more than ¼-inch lower than ...
or discover more difficult plumbing issues you don't feel comfortable DIY-ing — say, spongy flooring or a leaky toilet flange — contact a professional plumber or general contractor.