Used 5 lb CO2 Tank | Brewing, Aquariums & More
Used 5 lb CO₂ Tank | Brewing, Aquariums & More
Compact, Reliable CO₂ Tank for Brewing and Hobby Use
Our used 5 lb CO2 tanks are a popular choice for homebrewers, aquarists, and hobbyists who need a reliable, food-grade CO2 supply in a compact size. These lightweight aluminum tanks are durable, easy to transport, and perfect for kegerators, keezer setups, freshwater planted aquariums, and saltwater calcium reactors.
All used tanks are sold empty and ready for refill at your local CO₂ supplier. If you are near our Vista, CA store, you can also take advantage of our 5 lb CO₂ exchange program to trade your empty tank for a filled one. Please note: filled CO₂ tanks cannot be shipped.
Key Features:
- Tank Size: 5 lb capacity
- Material: Lightweight, corrosion-resistant aluminum
- Applications: Kegerators, mini draft systems, freshwater aquariums, saltwater calcium reactors
- Condition: Used, fully tested and certified
- Shipping Note: All CO₂ tanks ship empty. Filled tanks cannot be shipped.
Why Choose a Used 5 lb CO₂ Tank?
- Perfect Size: Compact enough for portability, large enough for most homebrewing setups
- Affordable: Cost-effective compared to brand-new tanks
- Versatile: Trusted for brewing systems, aquariums, and hobby projects
Important Shipping Information
All CO₂ tanks, new or used, ship empty. Filled tanks are not eligible for shipping. Our 5 lb CO₂ exchange service is available for local pickup customers only.
Condition Disclaimer
The product image shown is of a new CO₂ tank. Used tanks vary in appearance and may have scratches, dings, or cosmetic wear. Customers should not expect a “pretty” tank—only a safe and fully functional one. All tanks are thoroughly tested and guaranteed to be operational.