CO2 Refills and Swaps


San Francisco/Peninsula

Airgas
1495 Illinois St
San Francisco, CA 94107
CO2 tank swap.

10# - ~$75

Aqua Forest Aquarium
1718 Fillmore St
San Francisco, CA 94115
(415) 929-8883
M: 11AM-7PM
Tu - CLOSED
W-Sa: 11AM-7PM
Su: 12PM-6PM
10# - $45 Swap

East Bay

Alliance Welding 
(now operated by AirGas)
1224 6th Street
Berkeley, CA 94710
(510) 524-9353
M-F: 8AM - 5PM
Sat: 9AM-1PM
Sun: CLOSED
20# Tanks (as of November 2020)

  • Refill/Swap $75 (per Yelp)
  • Purchase $95 (unknown if new/reconditioned)
Automatic Fire (formerly Hansen's Fire)
1617 industrial Pkwy
Hayward CA 94544
(510) 357-9982
M-Su: 7AM-7PM 10# Tanks

  • Reconditioned $115
  • New $175
  • Refills $55

20# Tanks

  • Reconditioned $125
  • New $195
  • Refills $65
Coast Fire Equipment
5930 Las Positas Rd
Livermore, CA 94551
(925) 606-1517
M-F: 7:30AM-4PM
Sat-Sun: CLOSED
Refills (as of November 2020)

  • 5# - $25
  • 10# - $30
  • 15# - $33
  • 20# - $37

Hydrostatic Testing  - $35

Oak Barrel Winecraft
1443 San Pablo Ave
Berkeley, CA 94702
(510) 849-0400
M-F: 10AM - 6PM
Sat: 10AM - 5PM
Sun: CLOSED
Swaps Only (as of November 2020)

  • 5# - $25
  • 10# - $35
  • 20# - $45
Emerald City Garden
1776 Arnold Industrial Way
Concord CA
M-F: 9AM - 8PM
Sat: 10AM - 6PM
Sun: 10AM - 5PM
20# Tanks

  • Swap - $20
  • Purchase - $120 + $20 fill ($140)
Oak Barrel Winecraft
1443 San Pablo Ave
Berkeley, CA 94702
(510) 849-0400
M-F: 10AM - 6PM
Sat: 10AM - 5PM
Sun: CLOSED
Swaps Only (as of November 2020)

  • 5# - $25
  • 10# - $35
  • 20# - $45
US Alloys
2756 Camino Diablo
Walnut Creek CA 94597
M-F: 8AM - 5PM
Sat: 9AM - 12PM
Sun: CLOSED
TBD

South Bay

Carbonic Service
1920 De La Cruz Blvd.
Santa Clara, CA. 95050
(408) 727-8835
M-F: 8:30AM - 4:30PM
Sat-Sun: CLOSED

Refills (as of November 2020)

  • 5# Refill - $27
  • 10# Refill - $30
  • 20# Refill - $32

Hydrostatic Testing - $32 (14-17 day turnaround)

980 Hardware and Supply
980 S. First St.
San Jose CA 95110
M-F 11AM - 7PM
Sat: 11AM - 5PM
Sun: CLOSED
Swap Only (as of November 2020)

  • 20# - $20.00
  • $40 tank, if tank is out of Hydro
San Jose Hydroponics
1999 Monterey Rd Ste 100A
San Jose, CA 95112
M-Sa: 11AM - 6:30PM
Sun: CLOSED
Swap Only (as of September 2021)

  • Steel 50# - $35.99
  • Steel 20# - $20
  • Aluminum 50# - $35.99
  • Aluminum 20#, 10#, and 5# -  $20

(must mention Craigslist Sales Ad)

North Bay

Vallejo Fire Extinguisher
617 Solano Avenue
Vallejo CA 94590
(707) 643-5258
M-F: 7:30AM-4:30PM
Sat-Sun: CLOSED
Refills (as of September 2021)

  • 5# - $12 + tax ($13.01)
  • 10# - $15.5 + tax ($16.80)
  • 20# - $21 + tax ($22.76)

Hydrostatic Testing
$30 test + $2 for O-ring

NorCal Paintball
1601 Enterprise Drive
Fairfield CA
(707) 447-7529
M-F: 12PM-7PM Refills (as of November 2020)
$0.50 per oz, regardless of tank size
Hydrostatic Testing
$35, 2 week turnaround

Sacramento

River City Fire Equipment
2419 Seller's Way
(916) 374-8295
M-F: 7:30AM-3:30PM
Sat-Sun: CLOSED
Refills

  • 5#
  • 10#
  • 20#