- Mix a 10 to 1 bleach to water solution and spray that over the concrete once a month, The sodium hypoclhorite in the bleach will kill and moss, mould and gunge spaws before they can grow.
- If you have fruit tree's in your garden you would almost certainly spray them with cooper sulphate on a yearly basis. Next time you spray your fruit trees make a little more up than you need and spray any concrete area's. Nothing kills moss, mould spaw's as fast as cooper sulphate.
- A very Eco friendly option os to spray the concrete with vinegar, This is not as fast as bleach but will slow down the return of the moss and mould dramatically as it puts the PH balance out and its not ideally growing conditions for the moss and mould.
- The best long term option if its available is to trim or cut down any plants or trees that is shading your concrete, direct sunlight is great for stopping moss and mould growing, As you will see it always grows on the shaded side of your house. Sunlight is free so try this step first.
If you have any questions please visit our website at www.washrite.co.nz
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