To ensure that you are using your CO2 canister to its fullest potential, there are some methods you can use to accurately determine if it is completely empty before you return it.
Be sure to follow all necessary safety measures when using these techniques:
Weight Check: Compare the weight of two cylinders; if one feels lighter, it’s likely empty. Use a kitchen scale for accuracy.
Machine Performance: If your drinks aren’t as fizzy, your CO2 is running out. When bubbles stop, it’s time to replace the cylinder.
Spoon Test: Depress the center pin with a spoon to release remaining CO2. If nothing escapes, the cylinder is empty and safe to store or return. Secure it with the cap before shipping.