A hack for renewing old, gross grout

The grout next to my bathroom sink was looking a bit piqued.

I decided to  clean it the way that everybody on the internet says to: by using baking soda and hydrogen peroxide.

Afterward, it looked even worse:

I guess the bubbling from the hydrogen peroxide loosened too much of the old grout.

I wasn’t about to start a  complicated re-grouting project. I am not fond of the tile countertop because of the difficulty in keeping grout lines clean and hope to replace it one day, so why bother?

Instead, I let white silicone caulk come to the rescue. I put masking tape on either side of the grout lines, got out my caulk gun, squeezed a small bead in place, smoothed it down with a damp fingertip, removed the tape, and smoothed again. Ta-da!:

Now that’s a home improvement.