Explore the full range of hydroponic supplies at Holland Horticulture. From LED grow lights and plant nutrients to grow tents, ventilation systems, and climate control solutions — everything you need for successful indoor growing is right here. We stock trusted brands like Lumatek, Telos, Atami, Canna, and many more, with expert support and fast UK delivery.
Shogun Fertilisers PK Warrior 9/18
Sale priceFrom £6.90
Shogun Fertilisers Samurai Coco A&B
Sale priceFrom £14.40
Shogun Fertilisers Samurai Coco Multipack
Sale price£31.90
Shogun Fertilisers Samurai Hydro Grow & Bloom A&B
Sale priceFrom £14.95
Shogun Fertilisers Samurai Terra Grow & Bloom
Sale priceFrom £11.40
Shogun Fertilisers Silicon
Sale priceFrom £4.90
Shogun Fertilisers Start
Sale priceFrom £5.90
Shogun Fertilisers Sumo Active Boost
Sale priceFrom £11.90
Shogun Fertilisers Sumo Boost
Sale priceFrom £11.90
Shogun Fertilisers Zenzym
Sale priceFrom £6.90
Silenced Revolution AC Stratos Fan
Sale priceFrom £695.00
Silenced Revolution EC Vector Fan
Sale priceFrom £480.00
Silenced Revolution EC Vector Fan V2
Sale priceFrom £480.00
Silencers
Sale priceFrom £39.99
Silver Bullet Mist
Sale price£12.95
Silver Bullet Roots
Sale priceFrom £24.95
Single Imperium Timer Standard
Sale price£70.00
Single Zipper
Sale price£15.00
Skram Mist Pest Prevention 1L
Sale price£18.00
Skyhigh Alpha Roots
Sale priceFrom £18.40
Skyhigh Cal Mag Grow & Bloom
Sale priceFrom £25.00
Skyhigh Elevate RTU Spray
Sale price£20.00
Sonic Air 23L Float Kit
Sale price£12.00
Sonic Air Pro Spare Disks
Sale price£25.00
Spider Mite SMC+ Control
Sale priceFrom £7.95
Spray Lance
Sale price£13.00
Spray Mist Bottle - 750ml
Sale price£2.50
Spray2Grow Concentrate 500ml
Sale price£50.00
Spray2Grow Spidermite 500ml
Sale price£40.00
Spreader Mat
Sale priceFrom £3.00
Square Black Saucer
Sale priceFrom £0.65
Square Plastic Pots
Sale priceFrom £0.20
Square Plastic Tray
Sale priceFrom £12.50
Stackable Drying Racks
Sale price£7.95
Straight Connectors
Sale priceFrom £2.50
Sunblaster Daisy Chain Link
Sale priceFrom £1.99
Sunblaster T5 Lamp & NanoTech Reflector
Sale price£30.00
Sunmaster Super Lumen HPS 600W
Sale price£32.55
Sunstretcher Air Cooled Tube 5"
Sale priceFrom £84.95
Super Pro E1 Fan Controller With Probe
Sale price£38.00
SuperBoost
Sale price£25.00
Supernatural Bud Blaster
Sale price£95.00
Supernova Reflector
Sale price£71.00
SuperTank Flexi Tank
Sale priceFrom £32.00
Superthrive
Sale priceFrom £15.50
Supreme Neeem 150ml Concentrate
Sale price£16.95