• Description

Potassium Nitrate (KNO3) 13-0-46 – 4 lb

Greenhouse-grade potassium nitrate is a fully water-soluble source of nitrate nitrogen and potassium. Nitrate-N is immediately plant-available and does not compete with calcium for root absorption — ideal for hydroponics and high-calcium fertigation programs.

Analysis

  • Total Nitrogen (N): 13.5% (all nitrate)
  • Potassium (K₂O): 46.2%
  • Solubility: 315 g/L
  • EC (1 g/L @ 25°C): 1.3 mS/cm
  • pH (1% solution): 8–9
  • 1 gram per gallon yields ~36 ppm N and ~101 ppm K

Key Features

  • Chloride-free — ideal for chloride-sensitive crops
  • Nitrate-N does not compete with calcium at the root zone
  • Compatible with calcium-rich waters — no precipitation risk
  • Suitable for all soil types, growing media, and production systems

Ideal Application Methods

  • Hydroponic nutrient solutions
  • Fertigation: drip, micro-jet, center pivot, sprinklers
  • Foliar spray programs

Packaging

  • 4 lb jar
  • Ground shipping only (UPS/FedEx) — Hazardous Material 5.1 Oxidizer

Potassium Nitrate 4 lb

Potassium Nitrate 4 lb

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solutions tailored for the unique needs of hydroponic and organic farming practices.

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