You don't need anything fancy. A travel sized bar of Ivory will kill pretty much everything, with Purell picking off the survivors, and it lasts forever.

Oh, and if you use Purell gel, don't get the stuff with aloe. The plain stuff burns real well, the kind with aloe not so well. The stuff in the Purell wipes doesn't burn period.
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-IronRaven

When a man dare not speak without malice for fear of giving insult, that is when truth starts to die. Truth is the truest freedom.