15 pounds in 4 days means 3.75 pounds a day.
Without actually weighing the cylinders before and after, your just guessing. Depending on how many times the heater cycled, if the fridge and hot water heater were on propane, that might not be too far off.
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2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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