Remove stubborn black spots with ease thanks to our Black Spot Remover. It breaks down black spots from hard surfaces quickly and easily - perfect for removing stubborn lichen. Make sure all of your hard outdoor surfaces are black spot free. Our unique formula can be used on patios, drives, paving slabs, sandstone and any other kind of stone or concrete! Black spots (also known as lichen) can be almost impossible to remove. Not only are they stubborn but they also look unsightly. That's why our formula is designed to break down stubborn dark spots to leave you with a clean outdoor surface. This Black Spot Remover gets to work in as little as 2 hours! Just spray it on, leave it to soak, and rinse away! Black Spot Remover cleans dirt and stains as well, so it can completely rejuvenate your hard surfaces. 5L Covers 40m2 ProKleen Powerful Black Spot Remover Patio Cleaner 4 x 5L in Clear