Bartoline Fungicidal Wash kills and inhibits the growth of mould, algae, lichen and mildew.
It prevents the reappearance of unsightly re-growths for up to 6 months and can be used both inside and outside. Contains: BENZALKONIUM CHLORIDE 1.5% w/w (15g/l).
This product is approved under The Control of Pesticides Regulations 1986 (as amended).  HSE No. 9626. Use biocides safely. Always read the label and product information before use. 
 
Application: For use only as a surface biocide for amateur use against mould, algae, lichen and mildew on internal and external hard surfaces such as brick, stone, wood and plaster.
Coverage: approximately 500ml per 2.5 square metres.