The Planted Tank Forum - View Single Post - Ultimate diy co2 cap?
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Old 02-08-2013, 05:09 PM   #15
Algae Grower
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Join Date: Jan 2007
Location: Tacoma, Washington
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One of my other "hobbies" is making soda. I use the tire valve stem into a 2l bottle cap method for carbonation.

I usually set my regulator around 80 PSI to carbonate the soda. My regulator is a cheap tool regulator, so I really don't know how accurate it is.

As for of filling a 2l with pressurized CO2, I doubt it would last more than a day. You probably would get the same effect as tapping a bottle of seltzer water.
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