Pro Kleen Powerful Black Spot Remover Removes Spots, Dirt and Stain Easy to Use Fluid/Liquid Cleaning Solution on Patios, Indian Sandstone, Driveway more (15 Litres)

An extremely powerful formula for cleaning black spots from patios and driveways Thoroughly cleans and powers through stubborn dirt and grime for clean surfaces Use on block paving, concrete flags, steps, paths and other outdoor hard surfaces Even works on areas that have been neglected for years. Covers 40 m2 per bottle. Easy to apply with a watering can or pump sprayer - leave to work for a minimum of 1-2 hours before rinsing for best results!