CO2 Carbonator

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Introduction: CO2 Carbonator

In this video I'll show you how you can use mostly hardware store components to build a CO2 carbonator.  You can use this to make carbonated water, juice, or even carbonated fruit!  Try using it to re-carbonate soda that has gone flat.

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    18 Comments

    0
    Cekpi7
    Cekpi7

    9 years ago

    what can i uye instead of paintball c02 cartridge? will bike pump work?

    0
    ironsmiter
    ironsmiter

    Reply 9 years ago on Introduction

    A second container with baking soda and vinegar would probably work fairly well.
    http://media.nbcmontana.com/id/Carbonating%3A-The-Cheap-and-Easy-Way/

    0
    ironsmiter
    ironsmiter

    Reply 9 years ago on Introduction

    side note, Dry Ice, if you can find it locally, should work equally well.

    0
    rickosgood
    rickosgood

    Reply 9 years ago on Introduction

    I've never tried the Dry Ice method myself, but you have to be careful with it. Because you are putting the dry ice in a sealed container you have to be careful not to put too much or your container might explode. Worst case, someone gets hurt. Best case, you end up with splattered fruit all over your fridge. Either way it won't be fun to clean up!

    0
    ironsmiter
    ironsmiter

    Reply 9 years ago on Introduction

    I agree. it CAN be a bit risky.
    In fact, while looking up a pressure table, i was referred multiple times to the appropriately named "Dry Ice Bomb"
    Those risks can be mitigated however, by careful choice of containers.

    The basic "safe" dry ice method would utilize something like a pressure cooker.
    The preset pressure safety release valve would ensure that any excess pressure would simply blow off. The benefit is that this would be a one container carbonator(less to clean up). Just chuck a couple pieces in with the fruit, pop on the lid, and wait.



    And now for another installation of ToMuchInformation
    To maximize your carbonation, make sure EVERYTHING is nice and cold before you begin. As long as nothing is actually frozen, the colder it is, the higher the achievable carbonation level. This is because CO2 pressure is directly related to temperature of dry ice in a container at 32 F and a second, identical container with 1oz, but at 40 F... The second container will show a significantly higher pressure reading.

    0
    rickosgood
    rickosgood

    Reply 9 years ago on Introduction

    A bike pump will not work because it would just be pumping air. You need to use carbon dioxide.

    0
    ironsmiter
    ironsmiter

    9 years ago on Introduction

    The carbonated fruit... Stick to foods that are already "acidic" in flavor.
    the strawberries... are probably "too sweet"
    green grapes should work ok, but ripe red globe grapes may get the same results as strawberries.
    Try melon balls. they may taste a little strange, but are one of the most fun fruits.

    0
    rickosgood
    rickosgood

    Reply 9 years ago on Introduction

    Thank you for this tip. I was wondering why the strawberries ended up tasting funny. What you are saying makes sense since the oranges and pineapple were delicious.

    0
    Rias88
    Rias88

    9 years ago on Introduction

    Can i use steel tank and regular CO2 regulator for this system sir?

    neo71665
    neo71665

    9 years ago

    I'm not even gonna cover the oils and other impurities in non food grade co2 that makes this a bad idea.

    0
    rickosgood
    rickosgood

    Reply 9 years ago on Introduction

    This is a good point. Do you know any good sources that talk about this kind of thing so I can include a link in the instructable?

    neo71665
    neo71665

    9 years ago

    call any welding shop and ask about the differences between commercial co2 and medical/food grade.

    0
    neo71665
    neo71665

    9 years ago

    much easier to just install a tire valve in the top of a 2 liter bottle then use a co2 tire inflator to carb it. Will cost less than a new 20 oz co2 tank.

    0
    rickosgood
    rickosgood

    Reply 9 years ago on Introduction

    I'll have to give this a try some time. I did think of using a soda bottle but I thought it would be difficult to get large chunks of fruit in and out of the bottle. This container allows you to put different sized fruits inside, although all the fittings and hoses are probably more expensive.