Canna PK 13/14


Size: 1 Litre
Sale price£13.99

Canna PK 13/14 Promotes Intense Flower Development

Canna is one of the best-known and trusted names in the hydroponic plant-feed business. Canna PK 13/14 is one of the most renowned flowering boosters available. Canna PK 13/14 is designed to work in the flowering phase of a plant’s growth and promotes bigger yields and higher quality harvests. Use along with Canna Boost Accelerator for even more exuberant flowering.

How Canna PK 13/14 Works

Canna PK 13/14 is one of the original flowering boosters that is used along with a base nutrient to produce bigger harvests and to improve quality in grown fruits and flowers. Canna PK 13/14 can be used with almost any grow-system, substrate and nutrient except organics. Canna PK 13/14 contains high quality mineral ingredients to provide the extra phosphorous and potassium that plants need during flowering to produce outstanding harvests.


1 x bottle of Canna PK 13/14. Choose between 250ml, 1 litre and 5 litre sizes


  • Canna – Well-known and long-standing brand - trusted by thousands of growers world-wide
  • Developed and improved over many years
  • Can be used with almost any nutrient, medium and grow-system.
  • Formulated for use in a plant’s flowering cycle
  • Produces bigger harvest of better quality
  • Works with hard or soft water
  • Perfect for use with the range of Canna base nutrients

How To Use

How to Use Canna PK 13/14

Canna recommend that PK 13/14 is used 3 weeks before harvest at a rate of 1.5ml/litre for a total of 3 to 6 days only. After much testing, we at the One Stop Grow Shop found that Canna PK 13/14 can also be used by a method known as “trickling”. Add Canna PK 13/14 at a rate of 0.33ml/Litre as soon as budding begins (usually around week 2 or 3 of flowering cycle) and continue using it at this rate until it is time for the final flush. By supplementing it in this way, your plants will benefit by having access to the key blooming ingredients in Canna PK 13/14 over a longer period of time leading to heavier blooms of higher quality.

Canna PK 13/14 is quite a powerful flowering booster and should not be used with any other PK type boosters or at higher than the recommended rate as this will usually result in over-feeding.

As with all nutrients, boosters and additives, never mix them together in their concentrated form (i.e. straight out of the bottle). Always add each nutrient, booster or additive to your reservoir or feed water in turn, giving the solution a good stir to mix it in before adding the next one.

Canna PK 13/14 recommended dosage: 1.5ml/Litre for 3 to 6 days, 3 weeks before harvest.

OSGS Hot Tip: Use PK 13/14 as Canna recommends but also use at 0.33ml/Litre from when budding begins up to the start of your flush

Canna PK 13/14 NPK: 0-13-14

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