Do you accept only Blue Rhino tanks for exchange? Larger tanks are required for people who need to use around 5,000 gallons or more of propane per year—usually large business or farms, who can use it for farming tasks like corn drying. Ranging from 2,000- to 30,000-gallon tanks, costs vary from $11,000 to $80,000. 30,000-gallon tanks […]