I built a small carbonator pretty much exactly like the one in this video. I fill a liter or liter and a half bottle with as cold as possible water, leave about an inch or two of space at the top, squeeze out all of the air, then put on the bike valve cap and charge it, shake it, and repeat until it stays firm. Thing is it seems even charging it this way my seltzer does not get half as carbonated as the store bought stuff, and seems to go flat rather quickly, especially if I mix in some home made soda syrup... Can anyone give me some tips to help? What am I doing whrong? I know it has enough pressure, infact probably to much since the paintball regulator doesnt even have a mark for below 100psi.
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