Hydroponic grow systems are advanced indoor growing setups designed to deliver water, nutrients and oxygen directly to plant roots without the need for soil. These systems provide precise control over growing conditions, helping plants grow faster and produce higher yields.

At Acorn Horticulture, we supply a wide range of hydroponic systems in the UK, including NFT systems, deep water culture (DWC), flood and drain and drip irrigation setups. Whether you’re upgrading your setup or building a complete indoor system with grow lights, grow tents and ventilation equipment, our systems give you full control over your growing environment.

Showing 1–24 of 54 resultsSorted by latest

Plant It Flexible Tanks 100L, 250L, 500L, 750L and 1100L | Collapsible Water Tanks

Price range: £49.00 through £209.00 incl. Vat
Select options This product has multiple variants. The options may be chosen on the product page

Plant It Flexible Tanks are collapsible water storage tanks designed for hydroponic systems, gardens, greenhouses, grow rooms and irrigation setups. Available in 100L, 250L, 500L, 750L and 1100L sizes, they provide a practical space-saving alternative to rigid water tanks and can be used for water storage, nutrient reservoirs or rainwater collection.

  • Collapsible PLANT!T flexible water tanks
  • Available in 100L, 250L, 500L, 750L and 1100L sizes
  • Suitable for hydroponic systems, gardens and irrigation setups
  • Useful for water storage, nutrient solution storage and rainwater collection
  • Easier to store away than rigid plastic tanks
  • Ideal for grow rooms, greenhouses, gardens and larger watering routines

56L MegaPot 1 Pot Kit | Extra Large Self-Watering Fabric Pot System

Original price was: £49.50.Current price is: £44.55. incl. Vat

The 56L MegaPot 1 Pot Kit is an extra large self-watering fabric pot system designed for growers who need maximum root space, steady hydration and reduced manual watering. Using the capillary action of the fabric pot and chosen substrate, it helps maintain consistent moisture around the root zone for larger single plant setups.

  • Extra large 56L MegaPot single plant module
  • Includes 56L base tray, 56L fabric pot and valve float kit
  • Uses capillary action to support even root hydration
  • Suitable for coco, soil and hydroponic substrates
  • Larger root space than 16L, 22L and 39L MegaPot kits
  • Ideal for large single plant setups, grow tents and greenhouses

39L MegaPot 1 Pot Kit | Large Fabric Pot Self-Watering Grow System

Original price was: £39.50.Current price is: £35.55. incl. Vat

The 39L MegaPot 1 Pot Kit is a large self-watering fabric pot system designed for growers who want extra root space and reliable hydration. Using the capillary action of the fabric pot and chosen substrate, it helps maintain consistent moisture around the root zone while reducing the need for frequent hand watering.

  • Large 39L MegaPot single plant module
  • Fabric pot self-watering system
  • Uses capillary action to support even root hydration
  • Suitable for coco, soil and hydroponic substrates
  • Larger root space than 16L and 22L MegaPot kits
  • Ideal for larger single plant setups, grow tents and greenhouses

22L MegaPot 1 Pot Kit | Fabric Pot Self-Watering Grow System

Original price was: £32.50.Current price is: £29.25. incl. Vat

The 22L MegaPot 1 Pot Kit is a self-watering fabric pot system designed to keep plant roots evenly hydrated using capillary action. Supplied with a 22L base tray, 22L fabric pot and valve float kit, it is ideal for growers using coco, soil or hydroponic substrates in grow tents, greenhouses and indoor gardens.

  • Complete 22L MegaPot single plant module
  • Includes 22L base tray, 22L fabric pot and valve float kit
  • Uses capillary action to support even root hydration
  • Suitable for coco, soil and hydroponic substrates
  • Larger root space than the 16L MegaPot kit
  • Great for grow tents, greenhouses and indoor growing

16L MegaPot 1 Pot Kit | Fabric Pot Self-Watering Grow System

Original price was: £29.50.Current price is: £26.55. incl. Vat

The 16L MegaPot 1 Pot Kit is a compact self-watering fabric pot system designed to keep plant roots evenly hydrated using capillary action. Supplied with a 16L base tray, 16L fabric pot and valve float kit, it is ideal for growers using coco, soil or hydroponic substrates in grow tents, greenhouses and indoor gardens.

  • Complete 16L MegaPot single plant module
  • Includes 16L base tray, 16L fabric pot and valve float kit
  • Uses capillary action to support even root hydration
  • Suitable for coco, soil and hydroponic substrates
  • Ideal for compact grow systems and single plant setups
  • Great for grow tents, greenhouses and indoor growing

225L Flexi Rez | Bloomroom Collapsible Water Tank

£59.00 incl. Vat

The 225L Flexi Rez is a collapsible Bloomroom water tank designed for grow rooms, hydroponic systems, gardens and irrigation setups. Supplied flat packed and quick to assemble, it provides a practical 225L water storage solution that fits into spaces where rigid plastic tanks may be difficult to position.

  • 225L Bloomroom Flexi-Rez water tank
  • Flat packed and quick to assemble in minutes
  • Space-saving alternative to rigid plastic water tanks
  • Zip top lid helps protect stored water from contamination
  • Universal snap-fit tap connection
  • Size: 58cm x 58cm x 70cm

100L Flexi Rez | Bloomroom Collapsible Water Tank

£45.00 incl. Vat

The 100L Flexi Rez is a compact collapsible water tank designed for grow rooms, hydroponic systems, gardens and irrigation setups. Supplied flat packed and quick to assemble, it provides a convenient 100L water storage solution that fits into spaces where rigid plastic tanks may be difficult to position.

  • 100L Bloomroom Flexi-Rez water tank
  • Flat packed and quick to assemble in minutes
  • Compact alternative to rigid plastic water tanks
  • Zip top lid helps protect stored water from contamination
  • Universal snap-fit tap connection
  • Size: 40cm x 40cm x 70cm

Hailea Adjustable Air Pumps | Multi‑Outlet Air Pump for Hydroponics & Grow Rooms

Price range: £9.50 through £34.50 incl. Vat
Select options This product has multiple variants. The options may be chosen on the product page

Hailea Adjustable Air Pumps deliver precise, adjustable airflow to hydroponic systems, reservoirs, and propagation trays. With multiple outlet configurations and corresponding flow rates, these pumps provide reliable oxygenation for root zones and improved plant growth.

  • Adjustable airflow control
  • Multi‑outlet options matching system needs
  • Flow rates: ACO9601 – 192 lph, ACO9602 – 432 lph, ACO9610 – 600 lph, ACO9620 – 800 lph, ACO96102 – 960 lph
  • Quiet, efficient operation
  • Ideal for hydroponics and grow rooms

NEWA Maxi-Jet MJ Pumps MJ500, MJ750 and MJ1000 | Submersible Hydroponic Water Pumps

Price range: £22.95 through £33.00 incl. Vat
Select options This product has multiple variants. The options may be chosen on the product page

NEWA Maxi-Jet MJ Pumps are reliable submersible water pumps designed for hydroponic systems, nutrient delivery, reservoirs and irrigation setups. Available in MJ500, MJ750 and MJ1000 models, they move water or nutrient solution quietly and efficiently, making them ideal for active grow systems and automated feeding.

  • NEWA Maxi-Jet submersible water pump range
  • Available in MJ500, MJ750 and MJ1000 models
  • Fully submersible for reservoir and tank use
  • Quiet, efficient and reliable water movement
  • 12.5mm outlet across all pump sizes
  • Includes 2m mains cable with 13amp plug

NEWA WIND Air Pumps NW 1, NW 22 and NW 33 | Hydroponic Air Pump

Price range: £13.50 through £27.50 incl. Vat
Select options This product has multiple variants. The options may be chosen on the product page

NEWA WIND Air Pumps are reliable hydroponic air pumps designed to improve oxygen levels in nutrient reservoirs, water tanks and aeration systems. Available in NW 1, NW 22 and NW 33 outlet options, they are ideal for adding air movement to hydroponic systems, air stones and oxygenation setups.

  • NEWA WIND hydroponic air pump range
  • Available in NW 1, NW 22 and NW 33 outlet options
  • Helps increase oxygen levels in nutrient solution
  • Suitable for reservoirs, tanks and aeration systems
  • Ideal for use with compatible air stones and air line
  • Useful for hydroponic growing, water movement and root-zone oxygenation

Aqualine Submersible Pumps 400w and 750w | Hydroponic Water Pumps

Price range: £69.50 through £139.50 incl. Vat
Select options This product has multiple variants. The options may be chosen on the product page

Aqualine Submersible Pumps are premium quality water pumps designed for hydroponic systems, irrigation setups and grow room reservoirs. Available in 400w and 750w options, they help move nutrient solution efficiently through compatible systems, making automated feeding and water circulation easier to manage.

  • Premium quality submersible water pumps
  • Available in 400w and 750w power options
  • Suitable for hydroponic systems and grow room reservoirs
  • Helps pump nutrient solution to plants automatically
  • Useful for irrigation, water movement and system maintenance
  • Ideal for growers wanting reliable reservoir-to-system flow

Clarke PGH60 ½” 30m Heavy Duty Garden Hose | Reinforced PVC Water Hose

Original price was: £39.00.Current price is: £27.50. incl. Vat

The Clarke PGH60 ½” 30m Heavy Duty Garden Hose is a tough reinforced PVC hose designed for garden, greenhouse, site and irrigation use. Built with woven polyester yarn for added strength and kink resistance, it provides reliable water flow for watering, cleaning, filling tanks and supporting grow system maintenance.

  • Clarke PGH60 ½” heavy duty garden hose
  • 30m hose length for flexible watering and site use
  • Tough PVC construction for durability
  • Woven polyester yarn reinforcement for added strength
  • Helps resist kinking during regular use
  • Ideal for gardens, greenhouses, reservoirs and grow system maintenance

PLANT!T Watering Ring 200mm | Drip Irrigation Ring for Grow Systems

£4.50 incl. Vat

The PLANT!T Watering Ring 200mm is designed for DIY drip irrigation and dripper systems, helping distribute water or nutrient solution evenly around the base of plants. Made from nylon tubing with laser-cut irrigation holes, it connects to standard 13mm / 1/2 inch tubing or hose and helps reduce blockage risk during watering.

  • 200mm watering ring for drip irrigation systems
  • Ideal for DIY dripper and irrigation setups
  • Nylon tube with laser-cut watering holes
  • 8mm internal bore for reliable water flow
  • Connecting tee fits standard 13mm / 1/2 inch tubing or hose
  • Helps water evenly around the plant base

PLANT!T BigFloat Auto Top Up Kit

£24.95 incl. Vat

The PLANT!T BigFloat Auto Top Up Kit helps reduce the routine work of checking and refilling reservoirs by automatically maintaining liquid levels from a separate gravity-fed header tank.

  • Automatically tops up and maintains reservoir levels
  • Gravity-fed operation with no pump required
  • Ideal for unattended grow rooms and holiday periods
  • Suitable for use with a header tank up to 400 litres
  • Supplied with float valve, 2m of 13mm flexible pipe and fittings
  • A practical solution for reducing manual reservoir maintenance

PLANT!T Water Timer | Automatic Irrigation Controller for Taps and Reservoirs

£22.95 incl. Vat

The PLANT!T Water Timer is an easy-to-use automatic irrigation controller for mains water, tap outlets and gravity-fed systems from tanks, water butts or reservoirs. With simple run time and frequency dials, it helps automate watering for drip lines, irrigation systems and grow setups with minimal effort.

  • Automatic water timer for irrigation systems
  • Works with mains tap outlets or gravity-fed reservoirs
  • Simple 2-dial programming for run time and frequency
  • Ideal for drip lines, water butts and grow system irrigation
  • Weather-resistant design for reliable use
  • Includes required fittings and inline filter

Mega Pot 4 Pot System 16L UK | Gravity Fed Fabric Pot Hydroponic System

£90.00 incl. Vat

Mega Pot 4 Pot System 16L is a gravity-fed hydroponic growing system designed for fabric pots and high-yield indoor setups. Featuring 4 x 16L pots, a single-valve irrigation system, and oxygenating nutrient flow, it delivers consistent feeding, improved root health, and faster plant growth.

  • Complete 4 pot system with 16L fabric pots
  • Gravity-fed irrigation – no electricity required
  • Single Mega-Valve feeds all plants evenly
  • Oxygenates nutrients for faster growth
  • Modular system – scalable for larger grows

AutoPot 400L Flexi Tank PRO Waterbutt | Collapsible Water Storage Tank

£86.00 incl. Vat

The AutoPot 400L Flexi Tank PRO Waterbutt is a lightweight, collapsible water storage tank designed for hydroponic systems, grow rooms, greenhouses and irrigation setups. With a 400L capacity, light-tight reflective design, anti-tip structure and internal capacity markings, it provides a practical reservoir solution where rigid tanks may be difficult to move, store or position.

  • 400L collapsible AutoPot Flexi Tank PRO waterbutt
  • Lightweight, space-saving alternative to rigid reservoirs
  • Reflective and light-tight design
  • Anti-tip construction for added stability
  • Internal capacity markings for easier water level checks
  • Simple assembly in minutes with all fittings included

AutoPot XL Kits | Gravity-Fed Self-Watering Grow System

Price range: £39.00 through £329.00 incl. Vat
Select options This product has multiple variants. The options may be chosen on the product page

AutoPot XL Kits are flexible, gravity-fed self-watering grow systems designed for larger plants, bigger root zones and expandable grow setups. Available in multiple pot and reservoir combinations, these kits automatically water and feed plants without pumps, timers or electricity.

  • AutoPot XL self-watering grow kits
  • Available as 1, 2, 3, 4, 6, 8, 10 and 12 pot systems
  • Reservoir options: 47L, 100L and 250L water butts
  • Gravity-fed design — no pumps or electricity required
  • Pots and trays can be moved or spaced apart as plants grow
  • Suitable for coco, soil and hydroponic grow media

IWS Brain Bucket Flood and Drain Remote | Replacement Control Unit

Original price was: £225.00.Current 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

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

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

What Are Hydroponic Grow Systems?

Hydroponic grow systems are soil-free growing methods that deliver nutrients directly to plant roots through water-based solutions. This allows plants to absorb nutrients more efficiently, resulting in faster growth and improved yields compared to traditional soil growing.

These systems are widely used in indoor growing environments because they offer precise control over feeding, watering and environmental conditions.

Types of Hydroponic Grow Systems

There are several types of hydroponic systems available, each designed for different growing styles and plant types.

  • Deep Water Culture (DWC) – Roots are suspended in oxygenated nutrient-rich water, allowing fast growth and simple setup
  • Nutrient Film Technique (NFT) – A thin stream of nutrient solution flows continuously over plant roots in channels
  • Flood and Drain (Ebb & Flow) – Plants are periodically flooded with nutrient solution and then drained back into a reservoir
  • Drip Irrigation Systems – Nutrient solution is delivered directly to plant roots through a controlled drip system

Each system offers different benefits depending on your experience level, plant type and growing goals. :contentReference[oaicite:0]{index=0}

How Hydroponic Systems Work

Hydroponic systems work by delivering water, nutrients and oxygen directly to plant roots. In systems like DWC, roots are submerged in nutrient solution, while in NFT systems, a thin film of water flows over the roots continuously. :contentReference[oaicite:1]{index=1}

By removing soil from the process, plants can focus energy on growth rather than searching for nutrients, leading to faster and more efficient development.

Benefits of Hydroponic Growing Systems

Hydroponic systems offer several advantages for indoor growers:

  • Faster plant growth and increased yields
  • More efficient nutrient absorption
  • Better control over growing conditions
  • Reduced water usage compared to traditional methods
  • Ideal for indoor and space-limited environments

These systems are especially useful for growers looking to maximise productivity and consistency.

How to Choose the Right Hydroponic System

Choosing the right system depends on several factors:

  • Your available space and setup size
  • The type of plants you want to grow
  • Your experience level
  • The level of automation and control required

Beginner growers may prefer simpler systems like DWC, while more advanced growers may opt for NFT or drip systems for increased efficiency and scalability.

Hydroponic Systems and Indoor Growing Setups

Hydroponic systems are typically used as part of a complete indoor growing setup. For best results, they should be combined with:

This combination allows you to fully control the growing environment and achieve consistent, high-quality results.

Helpful Guides for Hydroponic Growing

If you want to learn more about hydroponic systems and indoor growing, explore our guides:

These guides will help you understand how different hydroponic systems work and how to get the best results from your setup.

Shop Hydroponic Grow Systems in the UK

At Acorn Horticulture, we stock a wide range of hydroponic grow systems for indoor growers across the UK. Whether you’re looking for NFT systems, DWC setups, flood and drain systems or drip irrigation solutions, our range is designed to suit all levels of experience.

Browse the full selection above to find the right hydroponic system for your setup.

FAQs

What is the best hydroponic system for beginners?

Deep water culture (DWC) systems are often recommended for beginners because they are simple to set up and maintain.

What is the difference between NFT and DWC?

NFT systems use a flowing nutrient solution over the roots, while DWC systems keep roots submerged in oxygenated water.

Are hydroponic systems better than soil?

Hydroponic systems can offer faster growth and better control over nutrients, making them ideal for indoor growing.

What can you grow in hydroponic systems?

You can grow a wide range of plants including herbs, vegetables and fruits depending on the system used.