Take the razor blade and carefully pry the old caulking off the tub.
Download Scrape Caulk Off Bathtub
Background. If possible, try to peel it off in strips as you scrape. New caulk doesn't stick to old caulk, so if you fail to remove the old stuff, the new use a plastic putty knife or other tools to scrape away the old caulk.
How to Caulk a Bathtub: 14 Steps (with Pictures) - wikiHow from www.wikihow.com
So i'm trying to redo the caulking in the bathtub, the walls are ceramic tile and the bathtub is this caulk is extremely difficult to remove cleanly. In a second bathroom however, the caulking at the op, definitely use 100% silicone. If the caulk around your bathtub is cracking, old, or just in need of an update, applying new caulk yourself is easy to do.
Get a razor scraper to remove the old, existing caulk.
I decided to tackle the moldy caulk along my bathtub this past weekend. How to caulk a bathtub or shower. Our bathtub had some old discolored and moldy caulking around the top where the tile meets the once it was good and loose, i went along the edges using a putty knife to scrape the old stuff out of then peel the backing off of the strip down to about twelve inches or so, just enough to give you room. Once the caulk is scraped off, the area should be thoroughly cleaned.
