These are great containers- we purchased 10, which provides a great deal of water for emergencies, yet can be individually used for camping, picnicking, or to keep in the car. They are easy to move and use, as opposed to having to move an equivalent 35 gallon tank, and you can easily bring them to the water source. They are most practical if you also order a couple of spouts, which are separate. The one con, is that it is really difficult to completely empty the bricks, as the opening is in the middle rather than on the top or bottom edge. Overall, though, great purchase, and I highly recommend them. We rinsed them out with a quart of water and a teaspoon of bleach, rinsed them again, and then stored them with 4 drops of 8.25% Clorox, per gallon of water.