Things You'll Need
Plastic bristle scrub brush
Salt deposits, also known as efflorescence, can create unsightly white stains. Caused by a build-up of soluble salts due to moisture, these deposits can occur on both outdoor and indoor surfaces. Efflorescence can develop on concrete and masonry, plant pots, fish tanks, boats, and on the tiles in bathrooms, kitchens and pools. With a few basic household materials, however, these salt deposits can be safely and easily removed.
Combine equal parts of white vinegar and rubbing alcohol in a spray bottle. Spot test a small amount of the solution on an inconspicuous area to make sure it doesn't discolor the surface that you are planning to clean.
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Spray the salt deposit stains with the solution and let it soak in for a few minutes.
Scrub the stain with a stiff-bristled scrub brush. Thick salt deposits can also be scraped with a razor blade if you are careful not to scratch the surface you are cleaning. Spray more of the solution onto the surface as you work if the mixture begins to dry or dissipate.
Rinse the treated area thoroughly with water. For outdoor surfaces, use a garden hose; high-pressure sprayers are great for rinsing and blasting stains off of concrete and masonry. Wash any remaining cleaning solution off of indoor surfaces with a non-abrasive sponge soaked in water.
Use a squeegee or rubber float to remove standing water from outdoor surfaces. Use a clean soft cloth to buff dry non-porous surfaces.