My patio slabs are covered in some dreadful mould which doesn't seem to be coming off fully with the pressure washer/slab cleaner.
I've read bleach does the trick for this stuff but wondered how safe it was and if/how quickly it evaporates as I have dogs?
I'm going away next weekend so they'll be staying overnight elsewhere; If I did the garden on Thursday night, do you reckon it would be safe for them to return home on the Sunday?
I've read bleach does the trick for this stuff but wondered how safe it was and if/how quickly it evaporates as I have dogs?
I'm going away next weekend so they'll be staying overnight elsewhere; If I did the garden on Thursday night, do you reckon it would be safe for them to return home on the Sunday?