Pro Kleen Powerful Black Spot Remover (20L) Removes Spots, Stains and Dirt Liquid Cleaning Solution for Grime, Use on Patios, Natural Stone, Indian Sandstone, Block Paving

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 40m2 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!