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Used for welding (often mixed with Argon) or paintball. While some users argue it is just as pure, food-grade CO2 specifically guarantees the absence of contaminants like benzene.
Buying CO2 gas can be a confusing process because it spans several different "grades" and industries, from home carbonation and aquariums to welding and large-scale beverage service. 1. Identify Your Grade
The highest purity level, reserved for laboratory and clinical environments. 2. Choose Your Container Size
Containers range from tiny single-use cartridges to heavy industrial tanks:
The type of CO2 you buy depends entirely on your intended use:
Essential for soda makers (like SodaStream), homebrewing, and kegerators. This grade is processed without oils or lubricants that could taint the flavor or safety of your drinks.

Used for welding (often mixed with Argon) or paintball. While some users argue it is just as pure, food-grade CO2 specifically guarantees the absence of contaminants like benzene.
Buying CO2 gas can be a confusing process because it spans several different "grades" and industries, from home carbonation and aquariums to welding and large-scale beverage service. 1. Identify Your Grade
The highest purity level, reserved for laboratory and clinical environments. 2. Choose Your Container Size
Containers range from tiny single-use cartridges to heavy industrial tanks:
The type of CO2 you buy depends entirely on your intended use:
Essential for soda makers (like SodaStream), homebrewing, and kegerators. This grade is processed without oils or lubricants that could taint the flavor or safety of your drinks.