Immerse yourself in a crystal clear oasis with the SmartSeal Green Clear Pro Lichen and Algae Killer. This highly effective microbiological biocide is capable of quickly eliminating most types of green organic growth on external hard surfaces. The formulation is easy to apply and suitable for controlling and removing organic growth, algae, mould, and various types of lichen that typically appear on driveways, patios, roofs, walls, and paths. You can reapply it at any time to prevent the reappearance of these species of organic growth, keeping external hard surfaces clean at all times. It is perfect for the DIY market and can be easily applied with a watering can or sprayer. 5L of Green Clear can cover an impressive 100-125m2. You can dilute it 1:5 with water for heavy contamination and 1:10 for regular use. Quantity: 5L. Pack of three.