Maxicrop 1 Litre Moss Killer & Lawn TonicAfter the very wet winter we have had, moss is now a real problem in many lawns. Maxicrop Moss Killer & Lawn Tonic contains seaweed extract, which stimulates grass regrowth, green colour, tillering and rooting for better quality turf. 1 litre (treats approx 40 sq. yds) Seaweed extract with added ferrous sulphate. For use only as a home garden lawn treatment. Simply mix with water in a watering can or sprayer. Liquid application saturates moss and