Ferrous Sulphate Hepta Hydrate
Physical Appearance - Dry Green Free Flowing Powder
Ferrous as Fe - 19.8% (min)
Sulphur as S - 11%
Purity - 98.5% (min)
pH of 5% solution - 3 to 3.5
Magnesium Sulphate Tri Hydrate
Physical Apperance: White Free Flowing fine powder
Magnesium as Mg - 13.5%
Magnesium as MgO - 22.9%
Sulphur as S - 18.5%
Solubility - 40 g / 100ml of water (100% soluble)
Purity - 98.9%
Magnesium Sulphate Hepta Hydrate
Magnesium as Mg - 9.7% (min.)
Magnesium as MgO - 16.3%
Sulphur as S - 12.4%
pH of 5% solution - 6 to 7
Physical Appearance: White crystals