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.

When the time comes for you to pick up that caulking gun and seal a shower or lay a new bead on an exterior siding seam, ...

Because bathrooms are exposed to so much moisture, it's important to regularly properly caulk it at least every five years (more if your bathtub or shower are used often) to prevent water damage.