Concrete turning green
by
Rosie
I have concrete slabs laid on my patio and pathways. They don't look too bad when they've been jet-washed but they go green so quickly I wondered if there's anything I can use to stop the algae building up quite so quickly? Help!!
3 answers
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location, location, location..... the driveway is probably on the north side of your house. The slab by the side garage door of my previous house was always green...... North side of the house.
Lynn Wilkins Sheffield
on Aug 23, 2016
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Try a product called wet-and-forget available at home improvement stores.
Janet Pizaro
on Aug 23, 2016
- See 1 previous
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Just use some weed killer stuff but keep all your animals and children away from the area until it is completely dry.
Georgette Volpe Fuller
on Aug 23, 2016
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