PK 13-14 (Plagron)

PK 13-14 (Plagron)

Give your cannabis plant sufficient nutrients with the PK 13-14 from Plagron. PK 13-14 contains phosphorus and potassium for rich flowering and healthy development of the root system. For optimal use and a rich harvest from your weed, add a little bit of PK 13-14 to the water each time you water during the flowering phase. Do you want more compact, harder and, more especially, heavier buds? Make cultivation even more fun and efficient with this quality product from Plagron. Easy and quick to order!

  • 250 ml


    In Stock

  • 1 liter


    In Stock


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PK-13-14 from Plagron is a pure fast absorbing combination fertilizer. Phosphorus is responsible for developing the root system and a rich heavy bloom. Potassium transports nutrients to all parts of the plant, provides a strong cell structure and the beginning of a rich bloom, known as blooms readiness. Maximise your yield with PK 13-14. Heavier buds guaranteed!


  • Quickly absorbed by your cannabis plant
  • Provides (weed) plants with phosphorus and potassium
  • Suitable for use during the flowering phase
  • For use each time plants are watered
  • Bottle contents 250 ml or 1 liter

Indispensable during the flowering phase

The PK 13-14 is indispensable in the flowering stage of each crop and can be administered starting the 4th week of the flowering stage until one week before the harvest. The PK 13-14 is a bio-mineral fertilizer which provides plants with additional phosphorus and potassium. This results in denser, harder and heavier fruits. The PK 13-14 guarantees a high yield.

PK-Plus (13/14%) is a very clean mineral product that provide plants very fast with clean phosphorus (P) and potassium (K).

Looking after your Cannabis Plant

Plagron has numerous products for looking after your cannabis plant in the best possible way but PK 13-14 is one product which is absolutely essential for your cannabis plant. With PK 13-14 you ensure that your cannabis plant gets phosphorus and potassium. These essential nutrients have a positive effect on the root system and the flowering of the buds. As a result, the harvest will be increased.

Available in two quantities

The Plagron PK 13-14 bottles are available in two different quantities. For the big users among us, there’s the bottle with no less than 1 litre. Do you only need a little PK 13-14? In that case, the 250 ml bottle is probably better. But on the other hand the 1-litre bottle is recommended given that it’s much more economical by comparison.


  • 250ml
  • 1 liter


1-3 to 1000, so 1-3 ml dissolved in 1 liter water.


Use this solution with every watering in the flowering period.


13% P2O5 (160 grams of pure phosphorus per liter) 14% K2O (170 grams of pure potassium per liter) PK-13-14 is ballast and chlorine free.


Plagron has been producing a wide assortment of high-quality substrates, base fertilizers and additives for many years. The company is one of the market leaders for more than 25 years. Plagron products are intended for many kinds of breeders and guarantee excellent breeding performances.

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Additional Information
SKU G-0446-0550
Price 5.95
Brand Plagron
content 250 ml / 1 liter
Substrate / Medium Soil
Organic No
Composition Liquid

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