HG mould spray immediately and effortlessly eliminates all moulds, making filthy black stains disappear, inside and outside. For cleaning tiled walls (also suitable for marble) and grouting in the bathroom, shower, toilet, kitchen, cellar, basement, sauna, swimming pool, garage, shed etc. It cleans also facades, balconies, plant boxes, garden ornaments etc. but excluding wood. HG mould spray bleaches grey and black mould spots and green algae spots just in one go.