The Igloo 6 Gallon Camping Water Storage Container is now $18 at Walmart. (And a two-pack is just $30.) It has a 4.4 out of 5-star rating, and Walmart says it's a popular pick.

If you’ll be camping for a few days, or want to stockpile water before a storm, this 5.3-gallon collapsible water storage container is a good option. The large size means you won't have to ...