Bizzybee once told me how to make dry ice with a sock and liquid co2 so I modified it slightly. Run a line with a needle valve from the tank to a cooler, close the lid and fill the gaps with a towel or similar breathable material. Open the valve enough to maintain a steady flow but not blow ice everywhere. We fill up 100# coolers in an hour or less if the line doesn’t clog. There is some loss making it this way I just havent measured how much but at 30 cents a pounds it’s worth it.
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