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PK Boosters

Big Bud (Advanced Nutrients)

Advanced Nutrient's Big Bud is essentially a mild, early PK with added amino acids.
From £9.95

Big Bud Coco (Advanced Nutrients)

Advanced Nutrient's Big Bud Coco is essentially a mild, early PK with added amino acids. Its NPK ratio of 0-1-3 means that it can be added earlier (than say PK 13/14) giving your plants and early flowering boost. This results in fruits and flowers being larger, more potent and increases the size of your yield. Big Bud is available in 1L.
From £29.95

Buddhas Tree PK 9-18

Buddhas Tree is currently the only PK 9-18 soluble solution available on the market.
From £24.95

Canna PK 13/14

PK 13/14 is a top quality booster from Canna that will guarantee excellent results.
From £4.95

Hesi PK 13/14

Hesi PK 13/14 gives your plants the extra Phosphorus and Potassium which is needed in the flowering phase.
From £13.95

Overdrive (Advanced Nutrients)

Overdrive is a late flowering booster which helps to stimulate increased flower production right before your harvest.
From £9.95

Plant Magic Oldtimer Organic PK4-8

Plant Magic oldtimer Organic PK 4-8 is a flowering booster with a NPK of 2-4-8 designed to boost and enhance blooms. During they flowering stage plants need a range of stimulants and boosting agents to deliver those heavier yields
From £15.95

Plant Magic Platinum Pk 9-18

Plant Magic Platinum Premium PK 9-18 is a flowering booster with a highly complex PK designed to boost and enhance blooms. During they flowering stage plants need a range of stimulants and boosting agents to deliver those heavier yields. Plant Magic Platinum offers enriched bio-stimulants
From £16.95

Remo Astroflower

Remo Astroflower compromises of fossilised organics which are proven to successfully target the area of the plant which controls bud development. As Astroflower targets the bud development it plays a vital role in assisting the production of essential oils and aromas, with this nutrient being in direct contact with the plant’s production of oils and aroma it makes it very effective, by using Astroflower u will expect increased potency.
From £21.95

Snoop's Premium Nutrients Heavy Harvest

Snoops Heavy Harvest is bloom stimulating booster. Plants work hardest during the bloom phase. They need much higher levels of phosphates (P) and potassium (K) in order to produce flowers.
From £21.95

Vitalink PK13/14

Vitalink PK13/14 is a flowering booster containing essential macro nutrients- predominantly Phosphorus and Potassium which enhance fruit development.
From £4.95

Overview

PK boosters are nutrient supplements for flowering plants that are specifically designed to be used during middle and late stages of flowering periods. ... A PK booster simulates a natural chemical change inside a plant, particularly in the ends of the stems where flowers and fruits develop.