Single Soluble Fertilizer
Magnesium sulphate Heptahydrate（0.1-1MM，1-3MM，0.2 -3MM，1-4MM ）
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Item
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Magnesium sulphate Heptahydrate
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Appearance
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White crystal
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Main content (%)min
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99.5
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MgSO4(%)min
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48.59
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MgO(%)min
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16.24
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Mg(%)min
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9.80
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PH(5W/V%Sol)
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5-9.2
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Ferron(Fe)%max
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0.0015
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Chlorid(Cl)%max
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0.014
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Heavy metal(Pb)%max
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0.0006
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Arsenic(As)%max
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0.0002
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