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.
Ora Dehumidifer 60L Per Day
Sale price£718.00
Orca Liquid Mycorrhizae
Sale priceFrom £10.95
Orchid Focus Grow & Bloom
Sale price£5.00
Origin 4 Pot Large Tank 75cm x 75cm
Sale price£36.00
Origin 4 Pot Large Tray 75cm x 75cm
Sale price£28.95
Origin 4 Pot XL 25L Complete (90cm x 90cm)
Sale price£140.00
Origin Dripper System - Single Pot
Sale priceFrom £1.00
Origin Kitbox & Delivery System
Sale priceFrom £26.99
Oscillating Wall Fan 16″
Sale price£30.00
Osram Sodium Son-T HPS Lamps
Sale priceFrom £16.95
Oxy Frame
Sale priceFrom £5.95
Parlite Expert Series 600W
Sale price£699.99
Parlite Max 800W LED
Sale price£495.00
Save up to £54.95
Parlux Linx 315w Temperature Controlled Ballast
Sale price£45.00
Regular price£99.95
Parlux LINX Twin Seedling Grow LED 18W
Sale price£75.00
Perlagro Lava Rock 30L
Sale price£13.99
Perlagro Light Mix 50L
Sale price£15.95
Perlite - 100L
Sale price£22.00
Perlite - 10L
Sale price£9.00
pH Buffer 4 - 1L
Sale price£10.25
pH Buffer 7 - 1L
Sale price£10.25
pH Buffer 7 - 300ml
Sale price£3.10
pH Meter Kit 8000
Sale price£80.00
pH Pal Plus Meter
Sale price£60.00
pH Test Kit
Sale priceFrom £3.90
pH Test Kit - Refill
Sale price£1.00
Philips GreenPower 1000w DE 400v
Sale price£98.00
Philips HPS Green Power Son-T - 600w
Sale price£40.00
Phonescope - Mobile Phone Microscope
Sale price£10.00
PhonicTrap Acoustic Ducting
Sale priceFrom £28.95
Photobio Par Light Meter
Sale price£225.00
Phresh Hyperfan Silent V2
Sale priceFrom £282.00
Phresh Hyperfan V2
Sale priceFrom £146.00
Pipe & Drip Line
Sale priceFrom £0.30
Pipe Stake - 5mm
Sale priceFrom £0.30
Pipeline Flexi Tank
Sale priceFrom £39.00
Pipettes
Sale priceFrom £0.40
Plagron Alga Grow & Bloom
Sale priceFrom £6.50
Plagron Bat Guano
Sale price£59.95
Plagron Cocos A&B
Sale priceFrom £15.50
Plagron Green Sensation
Sale priceFrom £22.50
Plagron Lemon Kick - 1L
Sale price£11.50
Plagron Light Mix 50L
Sale price£13.50
Plagron Mega Worm
Sale priceFrom £12.95
Plagron PK 13-14 - 1L
Sale price£12.50
Plagron Power Buds
Sale price£41.50
Plagron Power Roots - 1L
Sale price£42.95
Plagron Premium Coco - 50L
Sale price£12.50