Sulphate of Iron 2.5kg
- Iron Sulphate can stain concrete and paving slabs, please wear gloves when handling the product or dilute mixture at all times.
- Keep pets off treated areas for at least one week, Horses should be keep off treated areas for at least 4 weeks and not allowed to graze.
- The product absorbs water easily, so is best stored well away from moisture.
- NPK: 21% FE
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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.