Potassium Nitrate



Pack Size




A source of readily available Nitrogen and Potash rarely used alone due to its high potash content. Particularly suitable for strawberries, tomatoes when fruiting and all cane fruit.

Rate of use: 10oz in 4 gallons of water (1.5g per l).

Nitrogen (N) 13% Potassium Oxide (K2O) Soluble in water 46% (K38.2%)

Also known as Nitrate of Potash or Saltpetre 

Properties A powerful oxidising agent, a soluble source of plant foods. 

Manufacture Can be purified to a high degree from soluble Potassium salts by chemical reaction with Ammonia or Nitric Acid. Purification is achieved by re crystallisation. 

Uses The principal use is in horticulture as a soluble source of potassium and nitrogen two essential plant foods, used in intensive production of greenhouse crops and hydroponic culture. .. Other uses include preservation of meat and in pharmaceuticals.

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