HG Mould Spray effortlessly eliminates all moulds, inside and outside. Suitable 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 also cleans facades, balconies, plant boxes and garden ornaments. HG mould spray bleaches grey and black mould spots and green algae spots just in one go. Delivers results within 30 minutes. NOT suitable for wood.