General description The Spear & Jackson Ready to Use Spray and Leave is perfect for cleaning paths, patios, driveways, steps, headstones, garden ornaments, and more. It effectively removes mould, algae, and everyday dirt while destroying the spores produced by algae, helping to prolong the time before algae reformation. Technical specifications Volume: 5L Usage The formula is designed to withstand outdoor elements such as wind and rain, gradually washing away contamination over several months. It can continue to work for up to a year, depending on the level of contamination. Other information The color of the bottle may vary.