The slates on the roof are covered in algae and moss on one side. I have been sold some Algae Clean (made by Kilwaughter) which is described on the label as a "wash"
In the absence of instructions on the tub, do I dilute it and water onto the roof, then let it dry? It says no scrubbing, but I just wanted to make sure I do it right as I dont want to get onto the roof more often than I need to!
In the absence of instructions on the tub, do I dilute it and water onto the roof, then let it dry? It says no scrubbing, but I just wanted to make sure I do it right as I dont want to get onto the roof more often than I need to!