Welding or Beverage supply stores are the place to go. For a 20 pound bottle is should cost $25 to $30.
Paintball stores probably won't have the right size fittings to refill a regular CO2 tank. Just paintball tanks. They are different sizes.
Paintball stores probably won't have the right size fittings to refill a regular CO2 tank. Just paintball tanks. They are different sizes.