Ferrous(II) Sulfate Heptahydrate (FeSO4·7H2O) |
Over application of the product could also result in blackening of the grass itself. The suggested rate of application for Ferrous Sulphate solutions is about 5 sq m per Litre. Please be aware that Ferrous Sulphate solution will cause staining if spilt or applied to hard surfaces such as concrete.
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