At The Greenhouse Effect we stock a large selection of additives and nutrients for hydroponic gardening.
If you need any help please call us on 01908 585 283, our highly knowledgeable staff will be happy to assist you.

Showing 1–24 of 285 results

Advanced Nutrients B52

£11.69£256.49
Advanced Nutrients B52

Advanced Nutrients Big Bud

£11.69£256.49
Advanced Nutrients Big Bud

Advanced Nutrients Big Bud Coco

£11.69£148.49
Advanced Nutrients Big Bud Coco

Advanced Nutrients Bud Candy

£16.19£141.29
Advanced Nutrients Bud Candy

Advanced Nutrients Bud Ignitor

£25.19£233.99
Advanced Nutrients Bud Ignitor

Advanced Nutrients Flawless Finish

£6.29£17.99
Advanced Nutrients Flawless Finish

Advanced Nutrients Liquid CarboLoad

£7.19£98.99
Advanced Nutrients Liquid CarboLoad

Advanced Nutrients Overdrive

£30.59£224.99
Advanced Nutrients Overdrive

Advanced Nutrients Piranha

£22.49£296.99
Advanced Nutrients Piranha

Advanced Nutrients Revive – Plant Health Booster

£10.79£145.76
Advanced Nutrients Revive - Plant Health Booster

Advanced Nutrients Rhino Skin

£9.89£116.99
Advanced Nutrients Rhino Skin

Advanced Nutrients Sensizym

£8.99£85.49
Advanced Nutrients Sensizym

Advanced Nutrients Tarantula

£85.49£224.99
Advanced Nutrients Tarantula

Advanced Nutrients Voodoo Juice

£20.69£188.99
Advanced Nutrients Voodoo Juice

Aptus Mycor Mix – Soil Conditioner

£28.79£224.99
Aptus Mycor Mix - Soil Conditioner

Aptus Regulate – Mono Silicic Acid

£24.29£220.49
Aptus Regulate - Mono Silicic Acid

Aptus Startbooster 5 Litre

£395.99
Add to basket
Aptus Startbooster 5 Litre

Atami Bloombastic

£42.29£449.99
Atami Bloombastic

Atami Rokzbastic

£50.39£494.99
Atami Rokzbastic