Used for welding or chemical manufacturing.
When buying CO₂, the "purity grade" matters depending on your application:
Purchase Carbon dioxide – Quality & service - Specialty Gases buy carbon dioxide
If your interest in "buying CO₂" is related to environmental impact rather than the physical gas, you might be looking for or offsets .
Purchased by individuals or companies on the voluntary market to "neutralize" their own emissions by funding projects like tree planting or carbon capture. Used for welding or chemical manufacturing
Must be at least 99.90% pure to ensure it doesn't impact the taste or safety of drinks.
Refills for brands like SodaStream are available at major retailers like Target, Bed Bath & Beyond, or Walmart. Bed Bath & Beyond
Most people buy CO₂ in small pressurized cartridges or cylinders.