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.

Check the latest price on Amazon →