Smartseal Patio Cleaner Xtreme Black Spot Remover and Paving Slab 5 Liter

General description PatioClean Xtreme is a fast-acting, high-performance patio cleaning product designed to effectively remove black spots, algae, lichens, moss, and surface grime from block paving, concrete, or natural stone patios. With four powerful active ingredients, it offers a simple solution for maintaining clean patios, often eliminating the need for pressure washing. A 5-litre container can clean and treat approximately 40 m² of flagstone, natural stone, or block paved patios. *Not recommended for use on Tarmac.* Technical specifications Volume: 5 litres Covers approximately 40 m² Active ingredient: Chlorine Installation Sweep away loose debris and heavy dirt build-up. Wet the surface area with water. Dilute PatioClean Xtreme at a ratio of 1:1, or use neat for black spot removal. Apply using a watering can or sprayer. Ensure the surface remains wet for up to 60 minutes. Rinse the area with water after application. Usage For areas of heavy soiling, scrub into the surface or