I have just moved into a house which has been empty for some time. The slabs on the patio are green and very slippery when wet. I assume thta this is some form of algae. What is the best way to remove this and clean the slabs up?
If you dont have a pressure washer,another method is to wash them with Jeyes Fluid.You may have to use a stiff brush or a deck scrubber,which can be hard work if you have a lot of slabs to wash.
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by saaitk » Sun Mar 16, 2008 2:59 pm 
by Winty234 » Sun Mar 22, 2020 11:18 am
