Potassium Sulphate is a high-grade potassium fertilizer containing high Sulphur, high Potassium, and low Chlorine. It is mainly used for grapes, citrus, flowers, tobacco and anaerobic crops. It is also used for cutting and cultivating delicate crops (such as greenhouse cultivation, hydroponic crops, etc.) considered as a premium fertilizer. Packing: 25kg bags, 50kg bags, 1200kg jumbo bags, and customer's marking bags. Handling and Storage: Store in a cool and dry place, away from moisture, heat. Protect the materials from the sun or rain during transportation. Item Specification Appearance : White Powder K2O %: Min 50.0 Chloride (as Cl) %: Max 1.0 Moisture %: Max 0.5 Sulphur: Min 18.0 pH Value (1% Solution): 2-3 Insoluble Matter: Max 0.3 Sodium: Max 0.4 Na as NaCL: Max 1.1