HG Mould Spray effectively removes all brown stains caused by mould fungus and algae inside and outside. It bleaches grey and black mould spots and green algae spots. Key Features •Suitable for use on silicon seals plaster cement ceramic and porcelain tiles and natural stone tiles •NOT suitable for treating wood •Effectively removes coffee and tea stains from plastic work surfaces Instructions for use •Spray HG Mould Spray on the surface from a distance of 3 to 5 cm •Allow 10 minutes for the product to work •Rinse off with water and a sponge •Repeat the treatment on badly affected areas.