Then use your knife or tool to scrape along the tub or shower floor. Photo 2: Loosen and remove the remaining caulk. Squirt caulk remover on all the remaining caulk and let it do the hard work.

Mold loves moisture, and no place in the house has more of it than the inside of the shower. Given the chance, mold will grow in tile grout, on tiles, around the drain and on the caulking.