Sulphate of Iron Fertiliser 25kg
- Iron Sulphate can stain concrete and paving slabs, please wear gloves when handling the product or dilute mixture at all times
- NPK Analysis: 21% FE
- For best results it is advisable to treat the whole lawn, not just the mossy areas, as iron sulphate has an acidifying effect and can cause a difference between treated and untreated areas. Once the moss has died back, you can scarify out the debris – ideally 5-14 days after application
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