PROTECTiT- Moss & Algae Remover is a concentrated high performance cleaner designed to remove organic and microbiological contaminants from porous surfaces such as stone, cement, tarmac, tiles etc. It is in liquid form and is designed to clean and protect surfaces from moss and algae. This product is Eco-Friendly and will not damage the surface of the area you are cleaning. Dilute 1 part product to 4 parts water Price: 1 Litre €25.00 5 Litre €100.00 We recommend that you seal the surface after you have cleaned it to prevent future moss and algae formation. Check out our 3 year and 10 year sealers.