Nitrox Advantages? Input Needed!

[matt t.]

When you go down to Florida,there are some places where Nitrox is the same price or even cheaper. Bill Rennaker's Cave Excursions banks 32-34% nitrox and sells it for $0.08/cubic foot. Air fills are $7 for a single tank and $14 for double tanks, flat rate. So, unless your tanks are near empty, a Nitrox top is generally cheaper than an air fill. For example, if my double 112 are half full (or is it half empty - either way that's fairly common after a typical cave dive), getting them topped with nitrox would be 112*0.08=$8.96, while getting them filled with air would be $14.
Ethan
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Unfortunately the savings in Nitrox fills won't cover the cost of gas for the drive....... ;D.
Selling fills by the cubic foot is something we've been asking about here (in Milw), and so far none of the LDS owners has done it......