When Is The Best Time To Put Moss Killer Down

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Moss killer has a 2 week active life. We recommend that you do not put it down until after your moss or algae problem has started to show, or is likely to start showing within the next 7 days. If you are unsure of when this time frame would be, please grab our handy guide below which will tell you exactly how much moss killer should be used for each area of your garden and the best way to use it!