Spear and Jackson 5L Black Spot Remover Destroyer Ready to Use for Natural stone, Concrete, Paving slabs, Indian Sandstone & Limestone

ManoMano

Black Spot Remover is a ready to use formulation which powers through patio black spots, lichen and stains using this easy application formula. The deep cleaning solution works on a wide range of outdoor surfaces to lift and clean, keeping your patio, garden, path, and driveway looking their best all year round. Directions for use: Read all label instructions before use The product is ready to use and applied neat through a plastic watering can or sprayable equipment. Always test in a small inconspicuous area before using to ensure it is suitable and desired effect is achieved. Ensure that the area to be treated is cleared of garden furniture and other items so that they are not in accidental contact with the product. Ensure that all loose dirt and other physical debris is removed first by brushing prior to application Apply directly to the surface to be treated and leave to soak in, product will begin to react as it gets to work. Leave product on surface between 2 - 4 hours to allow

Amazon

Remove black spot from block paving, concrete or natural stone 5 litres of product will clean and treat approximately 25 m² Helps to lift and clean dirt and grime from areas that haven't been treated for years - you'll have them looking brand new once more with this powerful black spot destroying solution Ready to use formulation which powers through patio black spots, lichen and stains using this easy application formula. Read all label instructions before use