VEVOR 5 lb Aluminum CO2 Tank Review
4.6 / 5
Overall Rating
VEVOR CO2 Tank, 5 lbs New Aluminum Alloy Cylinder, CO2 Air Tank with Light Gray Spray Coating
5lb aluminum CO2 tanks are the homebrew kegerator standard. VEVOR's tank delivers the right capacity at budget pricing without sacrificing the certifications.
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TL;DR
VEVOR's 5 lb aluminum alloy CO2 tank is the right pick for home kegerator owners and homebrewers needing a refillable CO2 supply at budget pricing. Aluminum is significantly lighter than steel (better for transport to fill stations), DOT-certified, and the 5 lb capacity carbonates ~5-7 kegs of beer or ~30 batches of homebrew. Includes safety cap and is hydro-tested. At its price point, it's roughly half what name-brand suppliers charge for the same capacity.
Why It Matters
CO2 is the workhorse gas of homebrew kegging — pressure-pushes beer through lines and carbonates wort. Without a CO2 tank, you can't keg. Steel tanks are durable but heavy (12+ lbs); aluminum is lighter (~7 lbs full) and easier to transport for refills. The 5 lb capacity is the sweet spot — bigger tanks last longer between fills but are awkward to lift; smaller tanks fill more often but are easier to handle.
Key Specs
- Capacity: 5 lbs CO2
- Material: aluminum alloy
- Empty weight: ~7 lbs
- Filled weight: ~12 lbs
- Connection: standard CGA-320 thread
- Certifications: DOT-3AL, hydro-tested
- Hydro-test interval: 5 years
- Service pressure: ~1800 PSI
- Includes: safety valve cap
Pros
- DOT certified for refills at any local fill station
- Aluminum is half the weight of steel for transport
- 5 lb capacity carbonates 5-7 home kegs
- Hydro-tested before shipping
- Standard CGA-320 fitting works with all common regulators
- Significantly cheaper than name-brand suppliers
Cons
- 5-year hydro-test recertification required
- Initial fill is empty — buy the tank empty, fill locally
- Some local welding-supply shops decline to fill non-major brands
- Aluminum dents more easily than steel
- Light gray finish shows scuff marks visibly
Who It's For
Home kegerator owners. Homebrewers transitioning to kegging from bottling. CO2 weighted-pour cocktail and beverage hobbyists. Skip it if you need larger capacity (10 lb tanks last longer between fills), if your local fill station is brand-restrictive (some do reject off-brand tanks), or if you don't have a regulator and CO2-line setup yet.
How to Use It
Take the empty tank to a local welding-supply or homebrew shop for first fill. Verify tank is empty before fill — fill stations don't add to partially-filled tanks. Store upright in a cool space; never lay on side during use. Re-certify hydro-test every 5 years. Inspect threads and o-rings annually.
How It Compares
Vs. steel 5 lb CO2 tank: steel is more durable but doubles the weight. Vs. 10 lb aluminum tank: 10 lb lasts longer between fills but is much heavier. Vs. name-brand TaylorMade or Catalina aluminum tanks: name-brand tanks are 50%+ more expensive; chemistry and certs are equivalent. Vs. paintball CO2 tanks: paintball tanks are smaller (typically 9-24 oz) and won't last for kegging.
Bottom Line
The right 5 lb aluminum CO2 tank for home kegerator and homebrew use. Buy it for budget refillable CO2. Skip it if your fill station is brand-restrictive or you need bigger capacity.
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