This product is part of the first aid kit, but it’s also very useful for cleaning, disinfecting, and bleaching grout lines.
Pour baking soda over the grout lines.
Add hydrogen peroxide and liquid dish soap.
Let it sit for 5 minutes, then scrub thoroughly with a toothbrush and rinse.
White Vinegar
White vinegar can be used in many ways. In addition to cleaning grout lines thoroughly, it’s effective against limescale and mold.
Pour the vinegar over the grout lines.
Add baking soda.
Scrub vigorously with a toothbrush, then rinse