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Getting Rid of Moss and Algae on Concrete

How do you get algae off of concrete?

By Jim from Australia

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April 28, 20100 found this helpful

Bleach and a scrub brush.

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April 30, 20100 found this helpful

Its caused because of dampness, try painting over it.That's what I did.

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October 22, 20161 found this helpful

That is the dumbest thing I have ever heard if. Y would u paint over concrete

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February 8, 20170 found this helpful

I concur. Painting over algaea is the most stupid, thing I ever heard of, when all you have too do is wait for the sun to be hitting the affected area, and bleach ,then rinse,and rinse,and rinse!!

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Anonymous
February 10, 20170 found this helpful

Lol.

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Anonymous
May 1, 20171 found this helpful

I guess you can paint over the concrete once you get rid of the moss.

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May 13, 20170 found this helpful

There is a positive to painting over concrete. Many people do it in their basements. Painting over it works as a sealant, as water (any moisture) can soak into concrete therefore leaving it open to algea or mold growth. Please don't be so quick to judge something before asking...you have a better chance of learning that way! Hope that answered your question as to why!

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May 13, 20170 found this helpful

I'm sorry.... I didn't mean you should just paint OVER the algae. Properly clean it first then paint for further prevention

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Anonymous
January 14, 20160 found this helpful

Ammonia solution works wonders for me

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May 7, 20170 found this helpful

I was told Ammonia with a soapy solution is used to clean canvas canopies and boat covers instead of remaking the canopies and covers. A wide broom an be used as a brush. DON'T mix bleach and ammonia or you'll create poison gas. DON'T use bleach at all. This should work on concrete too.

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September 21, 20160 found this helpful

Can I spread farm lime over driveway?

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November 18, 20160 found this helpful

How do you get algae off concrete

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In This Guide
Cleaning Moss and Algae on Concrete
Getting Rid of Moss and Algae on Concrete
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