N-Virol Algae and Lichen Killer is specifically designed to be active against moulds, fungi, algae and lichen on external and internal hard surfaces. It is highly soluble in water and contains no acids or bleaches which could damage surfaces on which they are applied. Simply applied using a watering can or low-pressure sprayer. It is an ideal maintenance product for schools, local authorities and commercial premises. It has also been approved by the Health & Safety Executive as both a wood preservative and surface biocide. It can be used on a wide range of hard surfaces including brick, stone, plaster, masonry, gravestones concrete paths, patios, tarmac paths, monuments, tennis courts, play areas, tiled roofs, fencing, green-house glass, decking areas and it is also suitable for artificial grass. N-Virol Algae and Lichen Killer works on contact and will kill algae, mould and other growths typically within 2-4 days and the secondary detergent action will help to gently clean the treated surface in the following weeks and months. Quick Links - Click To Jump To Section: Features & Benefits Application Notes Features & Benefits Specifically designed to be active against moulds, fungi, algae and lichen on external and internal hard surfaces Highly soluble in water and contains no acids or bleaches which could damage surfaces on which they are applied Simply applied using a watering can or low-pressure sprayer Excellent all surface external cleaner and algae killer for removing algae, moss and lichen from paths, patios, drives and decking Long term, quick results - works on contact and will kill algae, mould and other growths typically within 2-4 days and the secondary detergent action will help to gently clean the treated surface in the following weeks and months Solvent free - No scrubbing or rinsing - Does not stain Suitable for brick, stone, plaster, masonry, gravestones concrete paths, patios, tarmac paths, monuments, tennis courts, play areas, tiled roofs, fencing, green-house glass, decking areas and artificial grass Fully approved for amateur and professional use by the HSE (Health & Safety Executive) as both a wood preservative and surface biocide - HSE number 8669 Application Notes Read the product label before use Following dilution application can be either with a low-pressure pneumatic sprayer (course spray) or by using a watering can with a rose attachment For small items such as gravestones etc, N-Virol Algae & Lichen Killer solution may be applied by a brush provided the solution is flooded generously into inscriptions and other cavities Always direct the spray away from the body; do not spray directly overhead Some species of lichen are resistant to treatment due to their impervious surface To optimise the effect of N-Virol Algae & Lichen Killer solution, it is advisable to abrade the face of such growths prior to treatment. (E.g. stiff brush) Once existing organic growth has been killed by an initial application (2-7 days) the treated surface will not need to be washed after the application of the product. However, in cases of severe contamination, this dead material should be removed using a stiff brush Dilution Guide: Growth Rate Dilution Rate Approx. Coverage (5L Pack) Normal Growth 1 part Algae Killer : 19 parts water 250m² Heavy Growth 1 part Algae Killer : 9 parts water 500m²
