IRD said:Interested in this Martin. Our drive is in need of attention after the winter. Where do you buy this stuff?Zulu4 said:Copper Sulphate.
Just a fairly weak solution of it will kill all algae and moss on contact. Cheap too.
(It is also used in swimming pools to kill algae)
It's Rob actually
Martin has a Tornado avatar, I've got a Lightning
I get mine off ebay:
https://www.ebay.co.uk/itm/114866151203
