How to Remove Alge and Moss From Concrete

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If your concrete driveway or patio has been invaded by moss or algae, you're probably pulling your hair out wondering how to get rid of the unsightly mess. Never fear, the solution is quick and easy.

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Instructions

Difficulty: Easy

Things You’ll Need:

White vinegar
Stiff-bristled broom
Chlorine bleach
Power washer (optional)

Step1

Mix 1 cup vinegar with 1 gallon hot water in a bucket. Scrub the concrete with a stiff-bristled broom, using plenty of the vinegar solution. Rinse well with a garden hose.

Step2

Bleach is the key to more stubborn areas of moss and algae on your concrete. Mix 1 cup bleach with 1 gallon water, and apply liberally to the paved area. Let it soak for about 1/2 hour, then rinse with a hose.

Step3

Power washing is the fastest way to remove moss and algae from concrete. If you don't have a power washer, you can rent one at most home improvement centers. Use a medium spray on the concrete, and the green will be gone in minutes.