• Custom Hydro Hydroponic Grade Potassium Nitrate 40 lb white bucket, back view showing safety label and oxidizer warning
  • Haifa Multi-K GG potassium nitrate fertilizer, 50 lb bucket containing five 10 lb bags. Typical analysis: 13.5% nitrate nitrogen and 46.2% K₂O; minimum specifications: 13.1% and 46.0%.
  • Potassium Nitrate fertilizer 50 lb. bucket
  • Description
  • Specifications

Greenhouse Grade Potassium Nitrate Fertilizer – 40 lb Bucket

Greenhouse Grade potassium nitrate fertilizer (KNO3) supplies nitrate nitrogen and water-soluble potassium for fertigation and foliar nutrition. This 40 lb bucket is a convenient package for your crop nutrition program. Contains four 10 lb bags in a 5-gallon bucket, rather than a single manufacturer bag. Greenhouse Grade and Hydroponic Grade are separate grades.

Manufacturer Specifications

  • Nitrate nitrogen (N): 13.5% typical; 13.1% minimum
  • Water-soluble potassium as K₂O: 46.2% typical; 46.0% minimum
  • Elemental potassium (K): 38.4% typical; 38.2% minimum
  • pH (10% solution): 9 typical; specification range 6–11
  • Water-insoluble matter: 350 ppm typical; 700 ppm maximum

Typical figures are not guaranteed minimums. Source: Greenhouse Grade and manufacturer technical data sheet.

Application and Grade Selection

Set rates according to the product label, crop requirements, water analysis and complete nutrient program. Mixing compatibility depends on concentration, water chemistry and the other fertilizers used. For grade comparison, see Haifa Multi-K RECI.

Packaging and Shipping

40 lb total: 4 × 10 lb bags in a 5-gallon bucket.

Ground shipping only (UPS/FedEx) — Hazardous Material 5.1 Oxidizer.

Safety Data Sheet

Download the Haifa Multi-K Potassium Nitrate Safety Data Sheet (SDS).

Product Label

Download the 40 lb Greenhouse Grade Potassium Nitrate label (PDF).

Greenhouse Grade manufacturer specifications: Nitrate nitrogen: 13.5% typical; 13.1% minimum Water-soluble K₂O: 46.2% typical; 46.0% minimum Elemental potassium: 38.4% typical; 38.2% minimum pH (10% solution): 9 typical; specification range 6–11 Water-insoluble matter: 350 ppm typical; 700 ppm maximum Package: 40 lb package, four 10 lb bags in a 5-gallon bucket Source: https://www.haifa-group.com/sites/default/files/data-sheet-Multi-K-GG.pdf

Potassium Nitrate Fertilizer 40 lb Bucket – Greenhouse Grade

Potassium Nitrate Fertilizer 40 lb Bucket – Greenhouse Grade

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

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