I have found a barrel at a local machine shop that held a "water-based coolant" He said it has no liner on the inside and is just bare metal. Do you guys think this would work for my barrel? I wasn't sure about the water based coolant having been in it? I can't find a food grade barrel with the open top. I don't have a kettle lid and haven't been able to find one thus far to go with a closed head type barrel.
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