SOP Soluble

Sulphate of potash (SOP)

Independ SOP™ is a high-purity, water-soluble sulphate of potash fertilizer containing 52–53% potassium oxide (K₂O) and 18% sulfur (S). Specially formulated for use in fertigation, foliar feeding, and NPK blending, Independ SOP™ is free of chlorides, low in sodium, and virtually free of heavy metals and insoluble residues.

Now packed in PE bags with anti-slip grip, it’s safer and easier to handle in the field or warehouse.

Independ SOP™ is ideal for chloride-sensitive crops such as:

  • Vegetables (tomato, pepper, cucumber)
  • Fruits (grape, citrus, banana, strawberry)
  • Greenhouse and hydroponic crops

Benefits

  • Improves fruit size, color, firmness and shelf life
  • Enhances crop resistance to stress and disease
  • 100% water-soluble — crystal-clear in solution
  • Ideal for clean fertigation and foliar application
  • Low EC and neutral pH (6–7)

Packaging

  • Big Bags available on request
  • 25 kg PE bags with anti-slip grip
ElementGuaranteed
Color and appearanceWhite powder / crystallie
pH (1% solution)6-7
Density1,45 – 1,65 g/cm3
Potassium Oxide (K2O)Min. 52%
Sulphur (S)Min. 18%
InsolubleMax. 0,1%
Solubility 20º water111 gr/L