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You need to calculate how much CO2 you need to reach between 2-5 bars inside the bottle. Report comment. Reply. Leithoa says: ... CO2 tanks, lines, regulators, adapters, and refills.

First, you’ll need a CO2 tank, like this 24oz paintball tank ($22,) or even this massive 10lb tank ($75,) that you’ll use with your SodaStream going forward.