Mosgo Green Remover Moss Killer | P2303 Removes green algae growth No scrubbing or washing required Fast and easy way to a clean and achieve moss free driveway Kills moss on virtually any surface – tarmac, slates, driveways, pathways, and patios Effective after 3-4 days Size: 1L Mosgo Green Remover Moss Killer 1 Litre | P2303 Hygeia Mosgo Green Remover Moss Killer 5 Litre is ready-to-use and is the easiest way to eliminate tough moss, mold, mildew, and algae stains from your smaller outdoor surfaces. Use on porch steps, fountains, landscape stones, boat seats, or virtually any other small outdoor job! Simply spray the contaminated surface and you’re done! It goes to work with the wind and rain to gently break down the growth and wash it way over the next few weeks or months. Features No power washing needed so keeps your water usage down Fast-acting formula kills within hours Won't stain concrete or other surfaces Contains a 70% stronger solution For light growth: Dilute Mosgo Green Remover 1 (one) part with 10 (ten) parts water i.e. 1 litre product with 10 litres water to give a final volume of 11 litres solution. The diluted liquid should be sprayed or brushed on the surface to be treated at the rate of 11L of mixture to 40m². For heavy growth: Dilute Mosgo Green Remover 1 (one) part with 5 (five) parts water i.e. 1 litre product with 5 litres water to give a final volume of 6 litres solution The diluted liquid should be sprayed or brushed on the surface to be treated at the rate of 6L of mixture to 20m².