Propane in Potosi

6 propane locations in Potosi, MO.

Of the 6 propane locations listed in Potosi, 6 offer tank exchange.

Nearby cities in Missouri with listed propane: Bonne Terre (3 locations, about 15 mi), Bismarck (3 locations, about 16 mi) and Desloge (3 locations, about 16 mi).

6 locations

Tank exchange in Potosi (6)

Stores listed by the exchange brands' own retailer locators as carrying swap cages for grill-size cylinders. A listing is not a stock check, so call ahead if you need a tank at a particular hour.

Boyer Lumber Home & Hardware

208 West High Street, Potosi, MO 63664

Tank Exchange · Blue Rhino

Directions Call store

Listed in Blue Rhino's retailer locator, checked Sep 27, 2026.

Casey's General Store #2662

403 N MISSOURI ST, Potosi, MO 63664

Tank Exchange · Blue Rhino

Directions Call store

Listed in Blue Rhino's retailer locator, checked Sep 27, 2026.

Eaton On The Run LLC

19019 West State Highway 8, Potosi, MO 63664

Tank Exchange · Blue Rhino

Directions Call store

Listed in Blue Rhino's retailer locator, checked Sep 27, 2026.

Karsch Flunkies Inc. #21413

840 East High Street, Potosi, MO 63664

Tank Exchange · Blue Rhino

Directions Call store

Listed in Blue Rhino's retailer locator, checked Sep 27, 2026.

Murphy's #7830

2 Memorial Dr, Potosi, MO 63664

Tank Exchange · Blue Rhino

Directions Call store

Listed in Blue Rhino's retailer locator, checked Sep 27, 2026.

Potosi C-Store

830 East High Street, Potosi, MO 63664

Tank Exchange · Blue Rhino

Directions Call store

Listed in Blue Rhino's retailer locator, checked Sep 27, 2026.

Before you go

Refill vs. Tank Exchange: What You Actually Get

Exchange trades a tank; refill sells you gas by the gallon. The difference in what you get home with is larger than most people expect.

When Does a Propane Tank Expire?

Twelve years from the date stamped on the collar, then a requalification interval that depends on the test method. An out-of-date cylinder cannot legally be refilled.