SOP Precision
Water Soluble SOP
Fertigation Grade

Premium quality SOP with class leading dissolution characteristics – designed for fertigation applications.

• 53% K₂O
• < 0.1% chloride
• < 0.09% Insoluble material
• 95% dissolved in 60 seconds Total Solubility 11.9g/100g H₂O

Product Specification Sheet
Material Safety Data Sheet
Technical Data Sheets
Product Guidelines

SOP Premium
High K
Granular SOP

Top performing granular SOP for basal applications and bulk blending.

• 52% K₂O
• < 0.1% chloride
• Granule particle size between 2mm and 4mm class leading crush strength

Product Specification Sheet
Material Safety Data Sheet
Technical Data Sheets
Product Guidelines

SOP Prime
High K
Standard SOP

High potassium content SOP suitable for direct application and Compound (Complex) NPK production.

• 53% K₂O
• < 1.0% chloride
• 18% Sulphur

Product Specification Sheet
Material Safety Data Sheet
Technical Data Sheets
Product Guidelines

Distribution

SO4 is working with 6 established nutrient supply companies in order to provide the best service to our end users in all regions. 224kt of our production will be sold through this network, with SO4 serving Australia directly.