Best Nutrients Additives Deals Online in the UK (24 Deals Found)

Last Updated - 14/09/2026 Sort By:

Best Choice
Advanced Nutrients

New
Advanced Nutrients GL525050-12 Big Bud Liquid Fertilizer, 250 mL.250 Liter, Brown/A
Larger, heavier, denser flowers

£12.81
Best Value
Growth Technology

New
Growth Technology Hydroponic Houseplant Focus 1 Litre - Full spectrum nutrient solution
Easy to use

£9.99
New
OG Rapid Flower & Bud Hardener 1L Nutrient Mass Yield Bloom Enhancer
The OG Rapid Flower & Bud Hardener is a mineral-based liquid nutrient mass yield bloom enhancer, packaged in a 1L bottle

£140.00
Growth Technology

New
Growth Technology Hydroponic Houseplant Focus 300 ml - Full spectrum nutrient solution
Easy to use

£9.99
New
Atami Rokzbastic PK 10-20 Nutrient Additive No PGRs All Purpose MPN H1397, 1.25L
The Atami Rokzbastic PK 10-20 Nutrient Additive is a 1.25L box of all-purpose nutrients designed for use in hydroponic s

£103.66
Advanced Nutrients

New
Advanced Nutrients Bud Factor X Flower Stimulator Bloom Enhancer Booster 250ml
Triggers plants to maximize their ability to produce essential oils and resins

£28.50
Xpert Nutrients

New
Liquid Calcium and Magnesium Fertilizer Xpert Nutrients Cal-Mag Amino (1L) | Correct the Calcium and Magnesium deficienc
Enhances photosynthesis - Provides structural support to cell walls & will serve as an activator for many specific enzym

£24.50
New
Big Bud Bloom Booster 250ml 1L 4L 10L – Advanced Nutrients Flowering Additive
Available in 250ml, 1L, 4L, 10L | Maximises Bud Size, Density & Essential Oil Production.

£29.99
16% Off
Growth Technology

New
Growth Technology Liquid Silicon Supplement Additive Strength (1 Litre)
🌴 Growth Technology - Liquid Silicon provides your plants with soluble silica – a naturally occurring substance found i

£9.68 £11.59
New
Advanced Nutrients Big Bud Bloom Booster Flowering Additive 250ml 1L 4L 10L
Advanced Nutrients Big Bud.

£222.99
Xpert Nutrients

New
Silicon Additive Xpert Nutrients Silica Force (250 ML) | Reduces Stress Healthy | For Healthy Stems and Green Leaves | U
Enhances photosynthesis - Provides structural support to cell walls & will serve as an activator for many specific enzym

£18.50
Growth Technology

New
Growth Technology Liquid Silicon Supplement Additive Strength (250ml)
🌴 Growth Technology - Liquid Silicon provides your plants with soluble silica – a naturally occurring substance found i

£7.51
New
Advanced Nutrient Iguana Juice Bloom Soil Fertiliser Organic Additive 1L 4L 10L
Advanced Nutrients Iguana Juice Bloom is an ideal complete nutrient for plants grown in soil.

£179.99
Xpert Nutrients

New
Silicon Additive Xpert Nutrients Silica Force (1L) | Reduces Stress Healthy | For Healthy Stems and Green Leaves | Unive
Stress Reducer - Reduces stress, caused by mechanical, biotic and abiotic factors in plants. Moreover, it improves resis

£26.70
New
Moonshine 1 Litre - 5 Litre Hydroponic Nutrient Additive 'Welcome To The Future'
Moonshine is Ph stable and will not raise your Ec.

£189.99
CANNA

New
CANNA Cannazym Enzymatic Additive Nutrient - Helps Plants Take Up Nutrients, Improves Soil Environment, Prevents Bacteri
CANNAZYM is a high-quality enzyme product. It consists of more than 12 different kinds of enzymes to which vitamins and

£112.58
New
Advanced Nutrients 232014 Bud Candy - 250ml
Advanced Nutrients Bud Candy is a liquid concentrate additive designed for all-purpose use in hydroponics systems.

£10.79
New
Advanced Nutrients Pirahna 1L
The Advanced Nutrients Pirahna 1L is a liquid additive supplement designed for hydroponic systems.

£49.95
New
Advanced Nutrient Iguana Juice Bloom Soil Fertiliser Organic Additive 1L - 20L
Advanced Nutrients Iguana Juice Bloom is an ideal complete nutrient for plants grown in soil.

£168.99
New
Cali Densinator Flower Hardener 1L Nutrient Mass Yield Enhancer FLOWERBOMB OG
Cali Densinator 1L.

£109.99
New
Advanced Nutrients Hammerhead 5L
The Advanced Nutrients Hammerhead 5L is a concentrated liquid nutrient additive designed for all-purpose use in hydropon

£47.95
New
Advanced Nutrients Big Bud 4L - Plant Bloom Boost Flowering Additive
Advanced Nutrients Big Bud 4L is a liquid plant bloom boost flowering additive designed to enhance the growth and flower

£103.66
New
ADVANCED NUTRIENTS Voodoo Juice 250ml
ADVANCED NUTRIENTS Voodoo Juice 250ml is a liquid concentrate additive designed for all-purpose use in hydroponics syste

£16.95
New
Plagron HYDRO ROOTS 5L Root Stimulant Hydroponics Nutrient Additive
The Plagron HYDRO ROOTS 5L Root Stimulant is a liquid nutrient additive specifically designed for hydroponics systems.

£62.06

24 Nutrients Additives deals are available from: Amazon, eBay stores, starting from £7.51.
The biggest discount we found is 16% on Growth Technology Liquid Silicon Supplement Additive Strength (1 Litre) at Amazon.
The lowest price we found is £7.51 while the highest is £222.99.
Prices for the best Nutrients Additives deals average at £70.74.
Last updated on September 14, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Nutrients Additives.