The HG Mould Remover Foam Spray is a fast-acting formula which gets to work in under 30 minutes, quickly removing mould, mildew and fungus. The foam remains on the surface for longer to tackle stubborn mould marks, and features a low odour formula with less chance of splashing. Ideal to use on the silicon seal between the bathtub and wall, on outdoor furniture, around window frames or other surfaces. This anti mould foam is also suitable for cleaning grout, swimming pool tiles and seals, as well as mouldy stains in the garage, shed and conservatory. We also have a liquid spray version of the mould and mildew cleaner: HG Mould Remover Spray. Includes: 1 x HG Mould Remover Foam Spray (500ml spray bottle) How to use HG mould cleaner: The mould spray has a bleaching effect. If in doubt, test first in an inconspicuous place. 1. Spray the surface from 3 to 5 cm away. 2. Leave for 30 minutes, then clean with water and a sponge. Contains chlorine based bleaching agents. We recommend using gloves and ventilating well during use. Use biocides safely. Always read the label and product information before use.