General description Our 4 x 2.5 Litre Path & Patio Cleaner Fluid is a powerful cleaning solution designed to tackle tough stains on various surfaces including patios, fencing, driveways, roofs, gutters, artificial grass, and caravans. This cleaner is particularly effective on natural stone patios, such as sandstone and limestone, where moss, algae, and mould can thrive. Technical specifications Volume: 2.5 Litre Usage Simply apply the cleaner and let it work; no agitation is required. Expect to see quick results within a few days. Ideal for restoring the appearance of paving slabs and block paved patios.