Blast Patio Pro Stone and Paving Cleaner is specially formulated and an effective cleaner that breaks down and eliminates moss, algae, fungi and ingrained mould from your paths and patio areas whilst brightening the surface and helping to prevent re-growth for up to 12 months. Ideal for use on paths, patios, driveways and stonework. Powerful and easy-to-use solution for cleaning, treating, and preventing green mould, algae, and lichens on hard surfaces without manual scrubbing.
eBay