0114 2458 581
sales@acornhorticulture.com
65 Deep Ln, Sheffield S5 0DU
Shop
-9%
IWS Brain Bucket Flood and Drain Remote | Replacement Control Unit
Original price was: £225.00.£205.00Current price is: £205.00. incl. Vat
The IWS Brain Bucket Flood and Drain Remote is a replacement brain/control unit for IWS Flood and Drain systems. Designed to manage system control as part of an active hydroponic setup, this replacement unit is ideal for repairs, servicing and keeping compatible IWS systems running reliably. Please note: this unit requires a remote timer unit, available separately.
- ✔ Replacement brain/control unit for IWS Flood and Drain systems
- ✔ Designed for compatible IWS active hydroponic setups
- ✔ Ideal for system repairs, servicing and maintenance
- ✔ Helps control flood and drain system operation
- ✔ Requires remote timer unit, available separately
G.A.S Digital EC Fan Controller for Systemair EC Fans Only UK
£119.95 incl. Vat
The G.A.S Digital EC Fan Controller for Systemair EC Fans is an advanced intelligent climate controller designed specifically for use with Systemair EC extractor fans. Featuring precise digital temperature control, humidity management, negative pressure balancing, and ultra-quiet EC fan modulation, this professional controller delivers highly accurate environmental control for grow rooms and hydroponic ventilation systems.
- ✔ Intelligent EC grow room fan controller
- ✔ Designed for Systemair EC fans only
- ✔ Digital temperature and humidity management
- ✔ Ultra-quiet EC fan speed control
- ✔ Maintains stable negative pressure
G.A.S Balancer for Systemair EC Fan Controllers & Fans UK | Intake & Extraction Fan Balancer
£79.99 incl. Vat
The G.A.S Balancer for Systemair EC Fan Controllers & Fans is an advanced balancing module designed to regulate the difference between intake and extraction fans within grow room ventilation systems. Designed specifically for use with G.A.S EC fan controllers and Systemair EC fans, the Balancer helps maintain stable negative pressure and optimised airflow for professional indoor growing environments.
- ✔ Balances intake and extraction fan speeds
- ✔ Designed for Systemair EC fan setups
- ✔ Maintains stable negative pressure
- ✔ Improves carbon filter efficiency
- ✔ Works with G.A.S EC fan controllers
Variispeed Fan Controller UK | Manual Speed Controller for Grow Room Fans
£9.99 incl. Vat
The Variispeed Fan Controller is a reliable manual fan speed controller designed for grow rooms, grow tents, and hydroponic ventilation systems. Ideal for adjusting extractor fan speeds, reducing airflow noise, and improving environmental control, Variispeed controllers provide simple and effective airflow management for inline extraction systems.
- ✔ Manual grow room fan speed controller
- ✔ Adjustable airflow control for extractor fans
- ✔ Helps reduce fan noise and airflow levels
- ✔ Easy plug-and-play operation
- ✔ Compatible with many AC inline extractor fans
-25%
Control Freak Dynamic Frequency Fan Controller UK | Intelligent Grow Room Fan Controller
Original price was: £395.00.£295.00Current price is: £295.00. incl. Vat
The Control Freak Dynamic Frequency Fan Controller is an advanced intelligent fan speed controller designed for grow rooms, grow tents, and hydroponic ventilation systems. Featuring dynamic frequency control technology, temperature and humidity management, negative pressure control, and ultra-quiet fan operation, the Control Freak provides precise environmental management for professional indoor growing setups.
- ✔ Intelligent grow room fan controller
- ✔ Dynamic frequency fan speed technology
- ✔ Controls temperature, humidity, and negative pressure
- ✔ Ultra-quiet smooth fan speed adjustment
- ✔ Compatible with AC extractor fans
PLANT!T Perlite 10L
£9.95 incl. Vat
Plant!t Perlite 10L is a natural, pH neutral and sterile growing medium made from volcanic rock, ideal for propagation, potting mixes and improving soil structure.
- ✔ Natural perlite growing medium for propagation and soil improvement
- ✔ Helps keep potting mixes loose and lightweight
- ✔ Improves airflow around roots to support healthy development
- ✔ Aids water movement and nutrient uptake in containers and beds
- ✔ Useful for breaking up heavy clay soils and wetter growing areas
- ✔ pH neutral and sterile for clean, reliable use
-11%
Systemair CarboAir 60 Carbon Filter UK | Professional High Capacity Carbon Filter
Price range: £149.50 through £300.00 incl. Vat
Select options
This product has multiple variants. The options may be chosen on the product page
Systemair CarboAir 60 Carbon Filter is a professional-grade activated carbon filter designed for maximum odour control and high airflow grow room extraction systems. Featuring a deep 60mm carbon bed with premium activated carbon, it delivers outstanding filtration efficiency, longer lifespan, and powerful airflow performance for demanding indoor growing environments.
- ✔ Professional activated carbon filter for grow rooms and extraction systems
- ✔ Deep 60mm carbon bed for maximum odour removal
- ✔ High airflow performance with low resistance design
- ✔ Compatible with high-capacity extractor fans
- ✔ Ideal for large grow tents and professional grow rooms
-16%
Systemair CarboAir 50 Carbon Filter UK | High Quality Activated Carbon Filter
Price range: £57.12 through £249.00 incl. Vat
Select options
This product has multiple variants. The options may be chosen on the product page
Systemair CarboAir 50 Carbon Filter is a premium high-performance activated carbon filter designed for advanced grow room odour control. Built using a deep 50mm carbon bed and high-quality activated carbon, it delivers excellent filtration performance, high airflow capacity, and long-lasting odour removal for professional grow environments.
- ✔ Premium activated carbon filter for grow rooms and tents
- ✔ Deep 50mm carbon bed for superior odour control
- ✔ High airflow performance with low resistance
- ✔ Compatible with professional extraction systems
- ✔ Suitable for hydroponic, coco, and soil grow setups
Hot
IWS Flood and Drain Systems – 6, 12, 24, 36 and 48 Pot | Active Hydroponic Grow System
Price range: £545.00 through £1,045.00 incl. Vat
Select options
This product has multiple variants. The options may be chosen on the product page
The IWS Flood and Drain System is a professional active hydroponic system designed to deliver water-based nutrients through your chosen growing medium. Available in 6, 12, 24, 36 and 48 pot systems, it refreshes the root zone with oxygen every feed cycle, helping support strong growth, efficient nutrient uptake and consistent system performance.
- ✔ Active flood and drain hydroponic system
- ✔ Available in 6, 12, 24, 36 and 48 pot options
- ✔ Inner pot options for clay pebbles, soil, coco, mixed media or any media
- ✔ Includes tank with pumps, brain pot, timer unit, pots, stands, fittings and pipework
- ✔ Replaces stale oxygen in pots with fresh oxygen during each feed cycle
- ✔ Ideal for larger grow rooms and serious hydroponic setups
IWS Dripper Systems – 6, 12, 24, 36 and 48 Pot | Automated Hydroponic Drip Feed System
Price range: £389.00 through £1,185.00 incl. Vat
Select options
This product has multiple variants. The options may be chosen on the product page
The IWS Dripper System is a professional automated drip feed system designed for hydroponic, coco and soil-based growing. Available in 6, 12, 24, 36 and 48 pot options, this complete system uses precision dripper technology to deliver water and nutrients directly to each plant, helping improve consistency, efficiency and control across larger growing setups.
- ✔ Complete IWS automated dripper system
- ✔ Available in 6, 12, 24, 36 and 48 pot systems
- ✔ Inner pot options for clay pebbles, soil, coco, mixed media or any media
- ✔ Includes tank, water pump, filter, timer, control bucket and fittings
- ✔ Uses leading DIG dripper technology for efficient nutrient delivery
- ✔ Ideal for larger grow rooms and professional irrigation setups
Vitalink Root Stim
Price range: £11.00 through £22.50 incl. Vat
Select options
This product has multiple variants. The options may be chosen on the product page
VitaLink Root Stim
Stimulate root growth with VitaLink RootStim. This additive uses high quality seaweed extracts with natural bio-stimulant properties and hormones to encourage plant roots to grow long, strong and healthy. By using this product in the early stages of plant life, it helps to encourage rapid root growth but it can also be used at any stage of the plant life cycle at a reduced dosage to improve roots.
Key Features:
- Increase and improve root development
- Rapid root growth at early plant life
- Long, strong and healthy roots
- Better roots mean better nutrient and water uptake
Dosage:
We recommend you use 1ml per 1L for the first week of vegetation, you would then use 0.5ml per 1L right up until bloom week 7.
Royal Dutch Complete Professional Nutrient Soil A and B
Price range: £15.00 through £60.00 incl. Vat
Select options
This product has multiple variants. The options may be chosen on the product page
Royal Dutch Complete Professional Nutrient Soil A and B is a two-part nutrient designed specifically for growing in soil, helping support strong plant development and productive growth throughout the cycle.
- ✔ Two-part Soil A and B nutrient for soil-grown plants
- ✔ Specifically developed for fast growing plants in soil
- ✔ Supports vigorous plant growth and healthy development
- ✔ Formulated to help growers achieve increased yields in soil systems
- ✔ Suitable for use as a complete professional nutrient base feed
- ✔ Available in 1L, 5L and 10L sizes to suit different grow spaces
Royal Dutch Complete Professional Nutrient Coco A and B
Price range: £15.00 through £55.00 incl. Vat
Select options
This product has multiple variants. The options may be chosen on the product page
Royal Dutch Complete Professional Nutrient Coco A and B is a two-part nutrient designed specifically for plants grown in coco coir, supporting fast, healthy growth and strong overall development. Available in 1L, 5L and 10L sizes.
- ✔ Two-part coco nutrient for balanced feeding
- ✔ Specifically developed for growing in coco
- ✔ Supports vigorous plant growth and strong development
- ✔ Suitable for growers looking for a complete professional feed
- ✔ Available in 1L, 5L and 10L bottle options
- ✔ Ideal for routine use throughout coco-based feeding programmes
Sylvania Grolux High Pressure Sodium 600W 400V Lamp UK | Powerful Grow Light Bulb
£39.00 incl. Vat
The Sylvania Grolux High Pressure Sodium 600W 400V Lamp is a high‑output horticultural lighting solution optimised for indoor grow rooms and hydroponic environments. With patented arc tube technology and elevated PAR output, it delivers strong performance throughout your plant’s lifecycle.
- ✔ High pressure sodium (HPS) horticultural lamp
- ✔ 600W power for strong PAR and lumen output
- ✔ Patented arc tube for exceptional photosynthetic efficiency
- ✔ Ideal for flowering and general plant growth
- ✔ Compatible with standard 400V HPS ballasts
-56%
16″ Wall Mounted Grow Fan UK | Oscillating Air Circulation Fan 40cm
Original price was: £45.00.£20.00Current price is: £20.00. incl. Vat
16" Wall Fan is a powerful air circulation solution designed for grow rooms and larger grow tents. With oscillating airflow, multiple speed settings, and wall-mounted design, it improves airflow, reduces humidity, and helps maintain a stable growing environment.
- ✔ 16" (40cm) oscillating wall-mounted fan
- ✔ Improves airflow and reduces humidity build-up
- ✔ Saves floor space in grow rooms and tents
- ✔ Adjustable speed settings for control
- ✔ Ideal for medium to large grow environments
-25%
12‑Way Lighting Board with Timer | Heavy Duty Grow Room Power Distribution
Original price was: £99.50.£75.00Current price is: £75.00. incl. Vat
The 12‑Way Lighting Board with Timer is a robust power distribution and scheduling system designed for grow rooms, propagation tents and indoor horticulture setups. With 12 individually switched outlets and a central mechanical 24‑hour timer, it simplifies automated control of lights, fans, pumps and other equipment — all from one heavy‑duty unit.
- ✔ 12‑way heavy‑duty lighting and power board
- ✔ Mechanical 24‑hour timer included
- ✔ Individually switched outlets for versatile control
- ✔ Ideal for grow lights, fans, pumps and accessories
- ✔ Easy to set up and use — set then forget cycling
- ✔ Perfect for grow rooms, propagation tents and hydro setups
-29%
16-Way Lighting Board with Timer
Original price was: £134.50.£95.00Current price is: £95.00. incl. Vat
The 16-Way Lighting Board with Timer is a centralised grow room power board designed to simplify daily control of lighting, fans, pumps and other essential equipment using one rugged unit with a built-in 24-hour timer.
- ✔ 16 switched mains sockets for organised power distribution
- ✔ Integrated 24-hour mechanical timer for repeat daily scheduling
- ✔ Individually switched outlets for flexible manual control
- ✔ Ideal for grow lights, extraction fans, air pumps and water pumps
- ✔ Simple dial timer with no complicated programming required
- ✔ Compatible with standard UK mains sockets and equipment
250L Waterbutt | Large Garden Water Butt and Reservoir
£59.00 incl. Vat
The 250L Waterbutt is a large-capacity water storage solution ideal for gardens, greenhouses, grow rooms and irrigation setups. Perfect for collecting and storing water, this durable water butt is useful for watering plants, filling containers and supporting reservoir-based grow systems. Please note: stand sold separately and this item is collection from store only.
- ✔ Large 250L water storage capacity
- ✔ Great quality water butt for garden and grow use
- ✔ Ideal for collecting rainwater and storing water
- ✔ Useful for gardens, greenhouses, grow rooms and irrigation setups
- ✔ Helps reduce reliance on mains water for plant care
- ✔ Stand sold separately
- ✔ Collection from store only
Please Note: Stand Sold Separately
THIS ITEM IS COLLECTION FROM STORE ONLY
100L Waterbutt Stand | Raised Stand for Water Butt and Reservoir Access
£10.00 incl. Vat
The 100L Waterbutt Stand is a practical self-assembly stand designed to raise a compatible water butt, making it easier to access stored water for gardens, grow rooms, greenhouses and irrigation setups. Ideal for use with smaller water storage systems, it helps improve tap clearance and makes filling watering cans, buckets or feed containers more convenient.
- ✔ Stand for compatible 100L water butts
- ✔ Raises water butt for easier tap access
- ✔ Useful for gardens, greenhouses and grow rooms
- ✔ Helps with filling watering cans, jugs and buckets
- ✔ Self-assembly design
- ✔ Ideal accessory for water storage and irrigation setups
100L Waterbutt | Garden Water Butt and Water Storage Reservoir
£29.00 incl. Vat
The 100L Waterbutt is a practical water storage solution for gardens, greenhouses, grow rooms and irrigation setups. Ideal for collecting and storing water, it is useful for watering plants, filling containers and supporting simple reservoir-based growing routines. Please note: stand sold separately and this item is collection from store only.
- ✔ 100L water storage capacity
- ✔ Great quality water butt for garden and grow use
- ✔ Ideal for collecting rainwater and storing water
- ✔ Useful for gardens, greenhouses, grow rooms and irrigation setups
- ✔ Helps reduce reliance on mains water for plant care
- ✔ Stand sold separately
- ✔ Collection from store only
Please Note: Stand Sold Separately
THIS ITEM IS COLLECTION FROM STORE ONLY
AutoPot 12 Pot Kit with 225L Water Butt | 12 Plant Self-Watering Grow System
£289.00 incl. Vat
The AutoPot 12 Pot Kit with 225L Water Butt is a complete gravity-fed self-watering system for larger indoor gardens, greenhouses, polytunnels and grow spaces. Supplied with 12 x 15L AutoPot modules, a 225L reservoir and accessories, this kit automatically waters and feeds multiple plants without pumps, timers or electricity.
- ✔ Complete 12 pot AutoPot grow system
- ✔ Includes 12 x 15L pots and 1 x 225L water butt
- ✔ Gravity-fed design — no pumps or electricity required
- ✔ Automatically waters and feeds plants as needed
- ✔ Modular pots can be spaced apart as plants grow
- ✔ Suitable for coco, soil and hydroponic grow media
AutoPot 10 Pot Kit with 250L Water Butt | 10 Plant Self-Watering Grow System
£259.00 incl. Vat
The AutoPot 10 Pot Kit with 250L Water Butt is a complete gravity-fed self-watering system for larger grow spaces, greenhouses, polytunnels and indoor gardens. Supplied with 10 x 15L AutoPot modules, a 250L reservoir and accessories, this kit automatically waters and feeds multiple plants without pumps, timers or electricity.
- ✔ Complete 10 pot AutoPot grow system
- ✔ Includes 10 x 15L pots and 1 x 250L water butt
- ✔ Gravity-fed design — no pumps or electricity required
- ✔ Automatically waters and feeds plants as needed
- ✔ Modular layout allows pots to be spaced as plants grow
- ✔ Suitable for coco, soil and hydroponic grow media
AutoPot 6 Pot Kit with 100L Water Butt
£149.00 incl. Vat
The AutoPot 6 Pot Kit with 100L Water Butt is a simple self-watering grow system designed to feed and water up to six plants with minimal daily effort, making it ideal for home growers, greenhouses, polytunnels and gardens.
- ✔ Complete kit with 6 pots and 1 x 100L water butt
- ✔ Self-watering design helps reduce regular hand watering
- ✔ Suitable for a wide range of edible and ornamental crops
- ✔ Pots and trays can be spaced apart as plants grow
- ✔ Can be used with water alone or water and liquid feed
- ✔ Ideal for use in the home, greenhouse, poly-tunnel or garden
AutoPot 1 Pot Kit with 47L Water Butt | 15L Self-Watering Grow System
£39.50 incl. Vat
The AutoPot 1 Pot Kit with 47L Water Butt is a complete gravity-fed self-watering grow system designed for simple, reliable plant feeding with minimal maintenance. Featuring a 15L AutoPot module and 47L reservoir, this kit automatically supplies water and nutrients to your plant as needed — ideal for grow tents, greenhouses, polytunnels and indoor gardens.
- ✔ Complete AutoPot 1 Pot kit with 47L water butt
- ✔ Includes 15L self-watering plant module
- ✔ Gravity-fed system — no electricity or pumps required
- ✔ Automatically waters and feeds plants as needed
- ✔ Suitable for coco, soil and hydroponic grow media
- ✔ Easy to expand with additional AutoPot modules
