Like many things in a home, bath sealant needs to be replaced periodically. Removing bath sealant is not very difficult and can be easily done with the help of right tools. For silicone sealant removal, you will need to purchase the following: a stanley knife or similar, a scraper, a specialist silicone removal tool. Silicone remover can be found in a paint on form, an aerosol type or catridge type. For good measure, test it on a small area before liberally applying.