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Soda Siphons

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Xaga Sep 3, 2008 10:43 AM

I am not sure if this is the right forum, but I figured that people with relevant knowledge would be here.

Is it possible to use CO2 cartridges which were designed for say paintball guns or other things rather than the ones specifically for soda siphons? Essentially, the cartridges are the exact same. If it's just CO2, then it's just CO2. The metal never actually touches the water. The CO2 cartridges seem to be 8 grams of CO2, while most painball cartridges seem to have 12 grams or even 16 grams.

I say this because I have a much easier time finding a paintball/airsoft place than a place that sells the soda siphon ones, not to mention the reduced price.

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  1. ShadowedOne RE: Xaga Sep 3, 2008 01:17 PM

    From what I've heard the cartridges intended for paintball or BB guns include a bit of oil in the CO2. I've not emptied one to find out though.

    3 Replies
    1. re: ShadowedOne
      JMF RE: ShadowedOne Sep 4, 2008 07:27 AM

      Yes, that's the difference between food grade and commercial CO2; the oil in the commercial stuff. For soda siphons you need food grade CO2 canisters.

      1. re: JMF
        davis_sq_pro RE: JMF Dec 22, 2009 08:07 AM

        Does the oil actually come out in the gas, e.g. if it goes through a tube? Last time I refilled my CO2 tank--which I use for pumping beer, cider, etc--I had it done at a welding place. I mentioned what I was planning to use the gas for in case their CO2 had some additives or something, but they said that it's just pure CO2 gas, so shouldn't matter... Or does your caveat only apply to the little canisters? And if not, exactly what have I been ingesting? Haven't gotten sick so far, FWIW...

        1. re: davis_sq_pro
          JMF RE: davis_sq_pro Dec 22, 2009 08:37 AM

          I'm pretty sure the CO2 chargers for paintball and pellet guns are too big to use in a soda siphon. They are made a different size because the oil in them would taint soda. The oil is to lubricate the guns to prevent rust from condensation.

          It's ok to fill a CO2 tank from a welding place. It has to be food grade CO2, if they said it was pure CO2 that's ok.

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