How do I clean the green mildew and moss off my tarmac driveway?
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Bleach will do it, good luck.
I read so much on the net about bleach for moss. Please try not to use chlorine bleaches on driveways and in gardens.
Sodium percarbonate is the best moss, mould and algae killer and its not harmful to the environment.
Tried the pressure washer. Didn't do it. Thanks anyway. Having a go with the bleach next.
Sodium hydroclorite
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