Moss Killer Mossaway is an efficient, fast working and effective moss killer developed exclusively by Ashland and is suitable for both professional and domestic use. Mossaway moss killer includes an active ingredient that effectively removes fungus and bacteria from your outdoor living space. Simply apply the moss killer and leave to take effect. The product is fast working and requires no scrubbing to remove the moss. Once the moss, algae or mould has been removed, Mossaway creates a lasting barrier to prevent the problem from reoccurring. This moss killer is suitable for removing moss from almost any hard surface outdoor area such as patios, decking, play areas, gutters and roofs. It is highly effective against mould, algae, moss and lichen but will not damage brickwork or the surface to which it is applied. Mossaway is easy to apply by simply using a sprayer or watering can to cover the infected area. The product is supplied in a 5 litre pack size which can be diluted to cover an area of 100 square metres. If you have a problem with moss, mould, algae or lichen; Mossaway is a great value, fast acting and easy to apply solution.