Unfortunately, my recommendation would just to be go with pressurized CO2. If you want small, sleek and concealable, you will have to pay a premium for the smaller cylinders. You might be able to find a 2.5 lb cylinder, which might be small enough for your liking.
Thanks. Thatís what I thought. Might just go the DIY route and see how it goes. Donít have to do anything so may use keep the tank as is too.
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