Potassium Nitrate (KNO3) – Water Soluble Potassium Source

Potassium nitrate provides an ideal 13-0-46 N:K ratio, delivering potassium in its most soluble form. It is the highest-solubility potassium fertilizer available — suitable for all crops, growing media, and fertigation systems.

Key Features

  • Highest solubility of all potassium-based fertilizers
  • Potassium in immediately plant-available form
  • Nitrate-N does not compete with calcium for root absorption in hydroponics
  • Compatible with calcium-rich waters — no risk of precipitation
  • Chloride-free — ideal for salinity-sensitive crops
  • Suitable for all soil types, growing media, and production systems

Ideal Applications

  • Hydroponic nutrient solutions
  • Fertigation: drip, micro-jet, center pivot, sprinklers
  • Foliar spray programs
  • High-K demand crops at productive and ripening stages

Brands We Carry

  • Haifa Multi-K GG: Greenhouse-grade potassium nitrate
  • Haifa Multi-K RECI: Ultra-low sodium KNO3 for closed-loop hydroponics
  • UltraSol K Plus: Premium water-soluble potassium nitrate

Serving Arkansas, Kansas, Missouri and Oklahoma. Shipping Nationwide! Wholesale to the public!