Hydroponica Potassium Nitrate


Macro Elements % w/w
Total Nitrogen (N) 13,5
Nitrate Nitrogen (NO3) 13,5
Potassium (K2O) 45,5


Physical State Crystaline
Color White
pH in water (5% conc.) 6 – 9
Solubility Soluble in water

Potassium Nitrate Fertilizer

Hydroponica 13,5-0-45,5 is a potassium nitrate fertilizer. Crystalline form of the fertilizer is 100% water soluble. Hydroponica 13,5-0-45 is available for all fertigation systems. Potassium is an important element for plant metabolism. It activates lots of enzyme and increases fruit quality parameters. Nitrogen is one of the most important nutrients for plant mainly related with plant vegetative development. Nitrate form of the nitrogen is the only form that plants can absorb. Hydroponica potassium nitrate N/K ratio is suitable for all plant growth stages, especially for fruit development.


  • High solubility in solution
  • High purity of nutrients
  • Contains nitrate nitrogen for better nitrogen availability
  • Doesn’t cause salinity
  • Helps to increase fruit quality parameters
  • Increase plant resistance against cold

Recommended Dose

Hydroponica 13,5-0-45,5 is potassium nitrate fertilizer can be applied to wide range of soil types for the fruit development stage mainly. Potassium takes role at enzyme activation and fruit development. It also increases fruit taste, size, color etc. Product nitrate nitrogen content supplies some of the nitrogen need of the plant. Actual dosage should be determined according to soil, leaf analysis and plant type. For application through irrigation systems; 5 – 10 kg/ha/day of fertilizer can be applied according to need. For foliar applications; 0,5 – 1 Kg in 100 L of water.

Area of Use

  • All kind of crops with wide range of soil types.
  • With all kind of irrigation systems.
  • When plant potassium and nitrogen need appeared.
  • When better fruit development requested.
  • As a potassium source for saline soils.


This product is compatible with the most commonly used fertilizers. But Doktor Tarsa always recommends a compatibility test before use.

Conditions of Use

  • Keep locked up and out of the reach of children.
  • Keep container tightly closed in a cool, well-ventilated place.
  • Keep away from food, drink and animal feeding stuffs.
  • Wear suitable protective clothing, gloves and eye/face protection.
  • Keep only in the original container at a temperature not exceeding 40 oC.
  • Harmful by inhalation, in contact with skin and if swallowed.
  • This material and its container must be disposed of in a safe way.


Doktor Tarsa warrants that the product within the unopened container conforms to the chemical description on this label. The directions on this label are based on tests, believed to be reliable. As the occurrence of unusual weather or soil conditions and use of this product are all beyond the control of Doktor Tarsa, no guarantee, expressed or implied made as to the effects of such use or the result obtained. For more information please contact with your local distributor or call Doktor Tarsa Market Development Department.

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