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.
Purp Booster
Sale price£13.50
Pyrethrum 5EC
Sale price£50.00
Quest CDG 74 Portable Dehumidifier
Sale price£2,195.00
Quest F9 Air Mover
Sale price£345.00
Quest Overhead Dehudifiers
Sale priceFrom £1,400.00
RAM Air- Pro 2 Fan Speed Controller 7amp
Sale price£140.00
RAM Airflex Oscillating Clip on Fan 8"
Sale price£25.99
RAM Bug Barrier
Sale priceFrom £4.99
RAM Combi Ducting
Sale priceFrom £9.00
RAM Dehumidifier 12L
Sale price£159.99
RAM Dehumidifier 20L
Sale price£210.00
RAM Eco Fan 12"/300mm
Sale price£24.95
RAM Heavy Duty Chrome Fans
Sale priceFrom £24.95
RAM Heavy Duty Pedestal Fan 18″
Sale price£64.99
RAM Heavy Duty Wall Fan - 18"
Sale price£64.00
RAM Pedestal Fan 16″
Sale price£30.00
RAM Ultrasonic Humidifier
Sale priceFrom £39.95
Raw Silica 2OZ 57G
Sale price£13.00
Red Chikamasa Ultra Light Scissors
Sale price£16.95
Red Scorpion Carbon Filter (4" - 12")
Sale priceFrom £39.95
Red Scorpion Carbon Filter 80mm
Sale priceFrom £180.00
Reducers
Sale priceFrom £4.00
Regen-A-Root 5L
Sale price£94.50
Remo Nutrients AstroFlower
Sale priceFrom £18.50
Remo Nutrients MagNifiCal
Sale priceFrom £14.95
Remo Nutrients Micro, Grow & Bloom
Sale priceFrom £12.95
Remo Nutrients Nature's Candy
Sale priceFrom £17.50
Remo Nutrients VeloKelp
Sale priceFrom £22.50
Remo Supercharged Kit
Sale price£122.95
Revolution AC Stratos Fan 8" 200mm
Sale price£191.95
Revolution Mounting Brackets 150, 200 & 250
Sale priceFrom £11.20
Rhino EC Dimmer
Sale price£11.00
Rhino EC Smart Fan Controller
Sale price£95.00
Rhino Filter Sleeve
Sale priceFrom £6.50
Rhino Hyperfan Ultra EC Fan
Sale priceFrom £156.00
Rhino Pro Carbon Filters
Sale priceFrom £50.00
Rhino Ultra Silent EC Fan
Sale priceFrom £240.00
Rock Resinator Heavy Yields
Sale priceFrom £69.50
Rockwool Cubes
Sale priceFrom £0.45
Rockwool Starter Trays & Cubes
Sale priceFrom £0.15
Room Thermometer
Sale price£2.80
Root It Peat Free
Sale priceFrom £6.65
Root It! Peat Free 60 Refill Bag
Sale price£11.50
Root Riot Cubes Refill 100
Sale price£18.95
ROOT!T Heat Mats & Thermostat
Sale priceFrom £20.99