« on: February 23, 2012, 02:33:50 PM »
I agree absolutely that having a medium in the keg (or whatever) assures that you purge out all the o2. But I disagree that if you let the co2 run long enough that you don't purge out most if not all of the co2. If you have a glass of milk and you pour water into it the water and milk will mix. But if you pour long enough you will end up with all water.