Hydrogen peroxide is a natural oxidizer and an anti-fungal agent that targets mold at the root. Use 3% hydrogen peroxide to clean mold in shower grout and let it sit for 10 to 15 minutes. The tiny ...

White vinegar works well on light mold in shower grout because its acetic acid disrupts mold cells and helps dissolve the grime. Spray vinegar on the grout, let it sit, scrub with a stiff brush, and ...