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The 5Litres – Simply Spray & Walk Away Concentrate Patio – Fencing – Decking – Mould Algae & Moss Killer is affordable and mild. It will not be able to get through years and years of algae/mould situations. You will have to employ some scrubbing in some situations so as to get the right look. For mild growth patios it will work effectively, and, it is biodegradable making it eco-friendly. Those who don’t want to spend much and have little algae/moss/mould growth on your patio, this will do the trick.
