
We manufacture high-quality aluminum CO₂ tanks designed specifically for aquarium use. Each cylinder delivers safe, steady CO₂ flow to promote healthy aquatic plant growth and maintain ideal tank conditions.
These cylinders are lightweight, corrosion-resistant, and easy to install. With working pressure rated at 1800 psi and sizes ranging from 0.5L to 3.0L, they’re suitable for both hobbyist and professional aquascaping setups.

We offer aquarium CO₂ tanks & cylinders in multiple size options to suit nano tanks, mid-size aquascapes, and larger planted setups. Each model is compatible with industry-standard regulators and components used in freshwater CO₂ injection systems.
Whether your system runs on manual injection or automated CO₂ control, our cylinders are ready to connect and perform reliably.

| Model | DC-A12 | DC-A20 | DC-A24 | DC-C20 | DC-C30 |
|---|---|---|---|---|---|
| Working Pressure (psi/bar) | 1800 / 124 | 1800 / 124 | 1800 / 124 | 1800 / 124 | 1800 / 124 |
| Diameter (mm) | 63.8 | 81 | 81 | 111.3 | 111.3 |
| Length (mm) | 238 | 238 | 275 | 305 | 428 |
| Weight (kg) | 0.5 | 0.74 | 0.85 | 1.8 | 2.2 |
| Water Capacity (L) | 0.5 | 0.8 | 1.0 | 2.0 | 3.0 |
| Thread Size | 5/8-18UNF | 5/8-18UNF | 5/8-18UNF | 3/4-16UNF | 3/4-16UNF |
Offer the Sizes, Finishes, and Branding Your Customers Expect
We help OEMs and aquascaping brands deliver polished, ready-to-sell CO₂ tanks. Choose from common sizes used in aquarium setups, apply your logo or label, and match your brand’s look with clean powder-coated finishes.

All aquarium CO₂ cylinders are produced under ISO 9001 quality controls and tested to ensure safe performance at rated pressure. Each unit undergoes dimensional checks, hydrostatic testing, and leak inspection before shipment.
Test reports and production traceability are available upon request to support regulatory or OEM requirements.
If your question is not listed here, please contact us and we will be glad to assist you.
While CE, TPED, or DOT certification is not typically required for small aquarium tanks, documentation can be provided on request depending on the market or buyer’s requirements.
Yes. Cylinders can be delivered with leak-tested valves, torqued to spec and ready for use. Valve types and threading follow standard CO₂ fittings.
Our aquarium CO₂ tanks range from 0.5L to 3.0L, with a working pressure of 1800 psi (124 bar), making them suitable for most aquascaping and aquatic plant systems.
Yes. We offer screen-printed labels or adhesive stickers for branding or safety. MOQ may apply depending on the method.
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