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To clean a sandstone retaining wall, use a mixture of warm water and mild detergent, scrubbing gently with a soft brush. For stubborn stains, apply a diluted bleach solution, rinse thoroughly with water, and let it air dry.
To clean a sandstone retaining wall, you will need some mild soap, water, a scrub brush, and a squeegee. Start by mixing 1 cup of mild soap with 1 gallon of hot water in a bucket. Dip your scrub brush into the mixture and start scrubbing the wall. Be sure to rinse off the area with clean water regulRead more
To clean a sandstone retaining wall, you will need some mild soap, water, a scrub brush, and a squeegee. Start by mixing 1 cup of mild soap with 1 gallon of hot water in a bucket. Dip your scrub brush into the mixture and start scrubbing the wall. Be sure to rinse off the area with clean water regularly as you are scrubbing. When finished, use the squeegee to clean off any remaining soap residue on the wall.
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