Selleys Rapid Mould Killer is a fast-acting mould killer that destroys mould in 30 seconds. Ideal for use in bathrooms, laundries and toilets, it leaves tiles and grout sparkling clean. It can also be used on rubber bath mats, laundry surfaces and exterior mould-affected areas. *Escherichia Coli, Staphylococcus Aureus, Pseudomonas Aeruginosa, Enterococcus Hirae*On some matt finish tiles or in hard water areas, staining may occur. Patch test first on an inconspicuous area. If staining occurs, rinse well and apply hydrogen peroxide to the affected area.