Promotional graphic showing Adams Gas refillable CO₂ bottles for planted aquariums, highlighting high‑purity CO₂, rent‑free ownership, UK‑wide refill network, and cost savings compared to branded disposable cylinders.

CO2 For Aquarium Plant Growth 420g

£12.5
£36.56

New to the market, small and compact 420g Carbon Dioxide cylinder for use within Aquariums, reliable and cost effective pure Co2 for your aquarium or hydroponic setup, buying the cylinder to own lets you take full...

  • Gas Type: Carbon Dioxide (CO₂) Food Grade E290

  • Cylinder Size: 425g

  • Valve: BS341 no.8

  • Water Capacity: 0.6 L internal volume

  • Material: Lightweight steel/aluminium composite

  • Hight 420mm Depth and Width 60mm

Refillable
Rent free
Nationwide

Key Features

  • High‑purity CO₂ Matches the performance of major aquarium brands (similar to JBL + ISTA) for consistent, healthy plant growth.
  • Rent‑free ownership No contracts, no deposits—this cylinder is yours to keep.
  • Refillable & safe Every bottle is tested to strict UK & EU pressure‑vessel standards for long‑term reliability.
  • Cost‑efficient alternative Lower upfront and refill prices compared to branded disposable cylinders.
  • Available in carton quantities Bulk purchase options (carton of 6)

Uses & Applications

  • Planted aquariums / aquascaping Ideal for delivering stable CO₂ injection to boost plant growth, colour, and overall tank health.
  • Hydroponics Supports controlled CO₂ enrichment for improved plant development in indoor grow systems.
  • General aquarium CO₂ systems Compatible with standard regulators and setups designed for refillable cylinders.

Wholesale Availiable please Contact Adams Gas | Get in Touch With Our Team

FAQs

As a trusted supplier of gas, we frequently get asked questions about gas safety, the difference between butane and propane, as well as the best uses for our gas products. In this blog, we’ll be answering our most common FAQs.

You can place orders online through the Adams Gas shop, by contacting the team by phone or email, or by locating a nearby stockist via their stockist finder. For refills, Adams Gas offers a professional gas cylinder filling service, including collection and re-delivery of customer-owned bottles where required.

Adams Gas supplies a wide range of bottled gases across the UK, including propane, butane, CO₂ (carbon dioxide), helium, argon, nitrogen and welding gases such as MIG and TIG mixtures. They also offer additional services like gas cylinder filling, new cylinders, cylinder testing, third-party storage and transport of dangerous goods.

Cylinder size should be selected based on expected air consumption, required pressure, and how frequently the air supply will be used. Larger cylinders reduce the need for frequent replacements, while smaller cylinders offer greater portability for site work. Adams Gas provides compressed air cylinders in sizes suited to different operational needs.

Compressed air cylinders are commonly used for pressure testing, pneumatic tool operation, tyre inflation support, leak detection, and general workshop tasks where a controlled air supply is needed. Adams Gas supplies compressed air cylinders suitable for trade and industrial environments.

A compressed air gas cylinder is typically chosen when portability, low noise, or temporary air supply is required. It is also suitable where installing or operating a compressor is impractical. Adams Gas supplies compressed air gas cylinders designed to support these professional use cases.

Cutting performance is influenced by fuel gas choice, oxygen purity, correct pressures, nozzle ion, and operator technique. Consistent gas quality plays a key role in achieving clean cuts and efficient operation. Using a trusted supplier like Adams Gas helps ensure dependable performance across jobs.