Water filtration and some methods to treat water, their containers, and a few ideas are covered in this video.
The Monolithic Filter: http://www.cheaperthandirt.com/CAMP352-1.html
Katadyn Hiker Pro Water Filter: http://www.amazon.com/Katadyn-Hiker-PRO-Water-Microfilter/dp/B0007U012U/ref=sr_1_1?ie=UTF8&qid=1316556966&sr=8-1
Polar Pure Iodine Crystals: I bought mine from Amazon Exchange, but everywhere I look online now, this product costs $40 or more per bottle. I only paid $10 and that's with shipping. I have seen this stuff go for more than $80 per bottle now -good luck finding any at a reasonable price.
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