||Response from Mitre 10: 30 Seconds Lichen and Algae Remover is specifically formulated to effectively remove and control further growth of lichen, mould, mildew and algae. When used as recommended, this product will not harm surrounding vegetation and it will not bleach wood or fabrics. It is biodegradable.
Please note that 30 Seconds Lichen and Algae Remover does not show immediate results but works slowly and effectively without damaging the surface. Some lichen, mould and algae may take up to one week to remove or show signs of decay.
You have to dilute one part of 30 Seconds Lichen and Algae Remover to 4 parts water. It can be used on roofs, driveways, tennis courts, brickwork, timber, tents, boats, flower pots, tiles and other surfaces.