Mosgo Green Remover is ideal for use on concrete, tarmac, walls, patios, and driveways. This fast-acting moss killer provides visible results within 3-4 days in dry weather. The new, improved stronger formula makes it easy to use, with no need for washing or scrubbing. It treats an area up to 62.5m squared. For best results, use in dry weather and follow the instructions for use. Size: 5L.