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Old 04-30-2013, 04:21 PM   #2
poppyseed
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I'm not sure how effective DIY CO2 would be for four tanks from one source.. you'd need to have enough pressure coming from the bottle to push CO2 to all of them. You might be better off using two different ones if you really don't want separate bottles for all of them, and using a t valve (search Petco Plastic T Valve for a cheap one).

Again thought, I'm really not convinced it will be very effective.
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