Spear and Jackson 2 x 5L Black Spot Remover and Destroyer - Ready to Use for Natural stone, Concrete, Paving slabs, Indian Sandstone & Limestone

Directions Read all label instructions before use. Apply ready-to-use formulation neat through a plastic watering can or sprayable equipment. Test in a small inconspicuous area first. Clear the area of garden furniture and other items. Remove loose dirt and debris before application. Apply directly to the surface and leave to soak in. Leave product on surface between 2 - 4 hours. Rinse off thoroughly with water, preferably using a pressure washer. Repeat as necessary for badly affected areas. Apply to slightly damp or dry surfaces, not saturated surfaces. Avoid contact with ponds. Rinse equipment with cold water after use. Coverage: approximately 20 – 25 square meters (5 Litres). Safety Warning Wear protective gloves/clothing, keep pets and other animals away from area until surface is completely dry, and read all label instructions before use.