Pressurised CO₂ can make a dramatic difference to plant growth, colour and compactness in planted aquariums. Our disposable aquarium CO₂ cylinders are tailored for users running small tanks or entry-level CO₂ kits that use replaceable canisters.
They are commonly used for:
- Nano aquariums and small desktop tanks
- Beginner aquascapers experimenting with CO₂ for the first time
- Secondary tanks where a full refillable bottle would be excessive
Benefits of ordering from Adams Gas include:
- No rental or deposit – simply purchase the cylinders you need
- Compact size – easy to store in aquarium cabinets and stands
- Flexible ordering – buy single cylinders or multiple units so you always have a spare ready
Each product page lists connection type, capacity and typical runtime to help you plan how often you’ll be changing cylinders. If you later upgrade to a larger display tank or multiple aquariums, you may wish to move to our refillable CO₂ for Aquarium Plant Growth range.
Always use aquarium CO₂ equipment as directed by the manufacturer, monitor CO₂ levels carefully and watch fish for any signs of stress. Consult our Safety & Storage guidance for additional advice on handling and storing gas cylinders.













