Patio Magic! 16491 Concentrate is a powerful, biodegradable liquid formula designed to eliminate mold, algae, and lichen on patios, paths, fencing, and driveways. Easy to apply and fast-acting, it begins working within days and provides results that last for months. One 2.5 L bottle treats up to 85 square meters.

Fast-Acting Formula: Starts killing green mold and algae within 2–4 days, visibly improving surface appearance over time. Biodegradable and Long-Lasting: Eco-conscious formula that not only cleans but also keeps surfaces protected for months after treatment. Indoor and Outdoor Use: Ideal for patios, driveways, fences, walls, and other hard surfaces—suitable for indoor and outdoor cleaning. Generous Coverage: One 2.5-liter bottle treats up to 85m², making it highly cost-effective for larger areas. Concentrated Efficiency: Powerful concentrate requires dilution, providing high performance and value in every application.

Features: Covers up to 85 square meters Works in 2–4 days, lasts for months Easy application with watering can or sprayer Ideal for patios, fences, paths, and driveways Contains ferrous sulphate and benzalkonium chloride Biodegradable liquid cleaner Pre-paint fungicidal wash option No need for scrubbing or pressure washing Specifications: Brand: Patio Magic Model Number: 16491 Type: Liquid Concentrate Coverage Area: Up to 85 square meters Volume: 2.5 Litres Active Ingredients: Ferrous Sulphate, Benzalkonium Chloride