I was to mention that, you beat me to it. Most people, in America at least, have fifty gallons stored in their hot water tank. As for cleaning up, recently I was in a situation where I had to quickly take a shower, get dressed and go. However someone else was in the bathroom so I cleaned up using moist towlettes. Stock up on towlettes and you can save space or make your supply of water go further.

Also apply sunscreen, if you will be in the sun, and lip balm to reduce dehydration.

Jeanette Isabelle
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I'm not sure whose twisted idea it was to put hundreds of adolescents in underfunded schools run by people whose dreams were crushed years ago, but I admire the sadism. -- Wednesday Adams, Wednesday