Ahh, I think 20 lbs is 20 lbs. propane weighs in at 4.2 lbs per gal at 60 degrees. a 20 lb tank contains roughly 4.75 gallons. a gallon also has about 91,000 btus.
a 30 lb tank has about 7.1 gallons of propane.
By the way, a couple of years ago there was a class action lawsuit againest blue rhino for under filling exchange tanks. This under filling occured between 2005 and 2011. the judgement was 7.50 per tank up to 150.00 is you had proof. 7.50 whith no proof of purchase.
Rick and Debbie & Ted E. Bear too
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