Best Dairy-Free Shortening. Shortening is an even fattier form of butter. Where butter is made with about 85 percent fat and 15 percent water, shortening is 100 percent fat. For those who can't tolerate lactose, there is a dairy free version of this ultra rich spread.
For example, the standard aluminum 80-cubic-foot tank weighs about 35 pounds, while similar capacity steel tanks weigh in at about 30 pounds. There have been lengthy discussions about the service life of steel tanks vs. aluminum tanks.
I suppose a 100 lb propane tank is designed to hold 100 lb of propane plus the weight of the empty tank. 100 lbs only refers to the weight of LP inside tank when full of LP. Every tank has a tare weight stamped on the top and they are diffrent from tank to tank. Add tare weight of tank to 100lbs and that is full weight of tank when full with LP. JOHN B Â· 8 years ago.