I am paying $16 a fill for each of the four 300cf tanks I have. They cost me $40 a year each to lease. This way, I don't have to worry about running out and not being able to get them refilled. I usually swap them out when I have two empties.
If you are on a Bobcat and don't plan on needing a larger torch for a while, I would go with a concentrator. Especially with those kinds of oxygen prices. The refurbished medical ones are not bad. They aren't too loud, they sort of hum. They also don't really need too much power, but I wouldn't run them on the same circuit as your kiln. Remember they are made to run in houses with patients 24 hours a day, so are designed to be relatively quiet and easy to use. It is when you get into the generators that it is more of a problem.
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Paul Ewing
Torch Ho... GTT Mirage, Carlisle CC, GTT Cheetahs, GTT Lynxes, and others on tanked O2.
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