A couple of years ago I asked how to remove green algae from my concrete steps and driveway. Someone recommended a solution of vinegar and something else. Unfortunately, I forgot the something else. All I know is that it worked. Please help. Thank you.
By Cindy S.
You could use vinegar straight or mixed with water. You could also try bleach and water in a ratio of 2 parts bleach and 1 part water or any ratio. Be sure to wear eye protection around bleach.
I have been told that vinegar n Epson salt dissolves is good for plumbing n many more task try that I'm going to try although give a good rinse when done
Vinegar and baking soda
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Spread some lime over the area to get rid of the moss, or a cheaper method if you have a fireplace is to lightly spread some of the ashes over the area. If you wet it down, it sort of makes the gray disappear, but it gets rid of the moss.
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How do you get algae off of concrete?
By jim from Australia
Its caused because of dampness, try painting over it.That's what I did.
Ammonia solution works wonders for me
Can I spread farm lime over driveway?
How do you get algae off concrete
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!!
How do I remove green mould from paved driveways? It is like a very thin layer on top of the pavers.
Are you sure it is green mold? Most molds are black. If it is mold, use bleach solution. But often if on the ground and green, its a fine moss.
I think it is probably algae. Algae is green and slimy and likes to grow on wet areas like mold. I would make a dilute vinegar solution and spray it on the pavers. The vinegar will also kill any weeds that want to grow in between the pavers.
A great thing to use is a spray with half water, half white vinegar, and 20 drops tea tree oil. This mix will nix mold in all its forms. If you don't have the tea tree, that's OK.
When I have to remove green mold from my driveway, patio furniture, the siding of my home I use a pressure washer it works well with this issue. Makes my life so must easier.
White distilled vinegar would be my choice.
Pressure washers work by removing the top layer of whatever you are spraying. The trick is to keep the spray at lease 6 inches from the surface, and use a light touch! Keep the wand moving, do not stay in one spot.
What fast and simple way can I use to remove green algae from concrete steps? Thank you.
By Cindy S.
We use a power washer with a weak bleach concentration in the water - works great! If you don't have access to a power washer, you will need to get a good scrub brush and use a solution of 1 gallon water with 1 cup bleach added and just scrub it off - make sure to wear gloves, and to rinse off the steps afterwards.
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We have had a lot of rain these past 6 weeks in Connecticut. My front concrete steps are very green. Is this moss or is this algae? How do I get rid of it?
