Caulking around plumbing fixtures is a way to ensure little leaks and water splashes now don't add up to an expensive repair bill later. If you've noticed drips and drops under your kitchen sink, it might be time to caulk around your faucet. The two most commonly used types of caulking in kitchens are silicone and acrylic latex, and both can be used around the base of a faucet. If you are worried about the caulking showing, choose a variety that dries clear.
Remove any old caulking with a scraper or caulk removal tool.
Clean the surface where the fresh caulk is to be applied with rubbing alcohol. This removes any soap residue, oils from your fingers and debris left behind by the old caulking.
Cut the tip of the tube of caulking off at an angle. Load the tube of caulking into the caulk gun by placing the nozzle side in the more open, U-shaped end first, and then pressing the back of the tube into place by the plunger.
Squeeze a bead of caulking onto a rag to prime the tube and remove any air bubbles before beginning your project.
Run a 1/4-inch bead of caulking against the base of the faucet. If your kitchen faucet has handles or accessories separate from the main body, ensure that each one is caulked in turn.
Fix any errors in the caulking job using a caulk-smoothing tool.
Clean up any excess caulking with water if it is acrylic latex, or mineral spirits if you used silicone. Allow the caulking to dry before running water near it.