Surface Biocide for hard surfaces (paving, painted walls, cobbles, red brick), tarmac areas, loose gravel, timber fencing, wrought iron, plastic downpipes
Effective on Green Algae, Moss growth, black spot (when used with surfactant)
4.52% w/w Benzalkonium Chloride
46m² coverage
On roofs apply to moss, do not scrub, allow moss to die away and fall into eves.