A black area on shower floors typically indicates the growth of black mold. This mold thrives and grows in dark, warm and moist locations. The black area may continue to spread and grow if you do not clean it immediately. While black mold looks unattractive, it can also affect your health. Once you remove the black areas from the shower floor, prevent the mold from returning to keep the shower clean.
Things You'll Need
- Hydrogen peroxide
- Spray bottle
- White vinegar
- Damp washcloth
- Chlorine bleach
- Stiff brush
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Run a hot shower for five to 10 minutes. The steam will help loosen dirt and debris.
Pour hydrogen peroxide directly onto the mold or mildew stains. A 3 percent solution of hydrogen peroxide attacks mold and mildew immediately. Wipe the black area with a damp washcloth to remove the mold.
Pour undiluted vinegar into a clean spray bottle if the mold stains remain. Spray the vinegar directly onto the mold. Allow the vinegar to air-dry then wipe the shower surface with a damp washcloth.
Combine 1 cup of chlorine bleach with 1 gallon of warm water in a large bucket to kill the mold if the stains are still present. Dip a stiff brush into the solution and scrub the area. Allow the solution to sit for two to three minutes then rinse with clean water and a washcloth.
Mix 3 tbsp. of white vinegar, 1 tsp. of borax and 2 cups of hot water in a spray bottle if the mold remains. Shake the spray bottle to combine the ingredients then spray the solution onto the shower floor over the mold. Scour the mold with a scrub brush, let the solution sit on the stain for 15 minutes then rinse with clean water.