General description This One Chem Heavy Duty Patio Cleaner is a high-quality solution designed to effectively remove lichen, mould, and algae from patios and garden paths. Its powerful formula not only cleans but also inhibits the regrowth of mould, restoring the natural appearance of your outdoor surfaces. Technical specifications Volume: 5 Litres Concentration: Dilute with 4 parts water to 1 part concentrate Final yield: 25 Litres of cleaning solution Usage Ideal for outdoor use on patios, driveways, and garden paths Remove debris with a patio brush before application Apply the diluted solution using a pressure washer, watering can, spray bottle, or bucket Allow the product to work, then scrub with a firm brush Rinse thoroughly with a garden hose or jet wash Other information Note: Colour of the bottle may vary