Hornet Original PK 13/14

£5.99£44.99 inc VAT

Staggering results made simple;

The Brainchild of great growers from across the globe, some things in life are simple and this is one.  Just by putting their heads together, their amazing knowledge, their essential ingredients and most of all, their secrets, out comes one perfectly engineered superiour pk additive.

For use from 3rd week of flower, use at 1-2ml per L.

Available in 500ml, 1L and 5L.

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Hornet Hydroponics’s PK 13/14 is a perfectly engineered PK additive has been designed to add density and weight to your plants, which will produce a heavier harder yield.

Why is it called Original PK13/14? Well that’s simple, that’s what it is, the main ingredients being Phosphorus and Potassium that if used at the correct rate they will add massive weight and density to your flowering plants and fruit.

The perfect mixture is a 13/14 mix, this is noted across the world as we know it, it’s a proven fact, tried and tested, the hard work of running these tests has been done for many years by expert growers from Holland and Spain.

In testing times every other nutrient brand has either changed their mixture to a cheaper grade being either a 9/18 18/23 11/12 simply to confuse the growers into buying another product, the simple facts are the 13/14 mix has always came out as the top performer, so that’s what we make it, only the best, its Original PK13/14 for weight and density.

1L RRP £16.99


Shake well before use

Use from 3rd week of flower

Mix in thoroughly

Add 1ml – 2ml per litre (an e.c meter is always


Adjust PH to 6.0


  • UK – PK Fertiliser 0.0 – 13.0 – 14.0

  • Phosphorous pentoxide soluble in water 13.2 (5.8% P)

  • Potassium oxide soluble in water 14.2 (11.7% K)