My favorite filter is the Sweetwater. Easy to pump and easy to maintain. Pretty much idiot proof. Sweetwater removed its purifier from the market about three years ago. The word was that while it worked in the lab, it didn't necessarily perform equally in the field. Their press release is at http://www.cascadedesigns.com/sweetwater/press_release.asp They now offer a product called viralstop which is a stabilized chlorine based product. http://www.cascadedesigns.com/sweetwater/guardian_purifier_system.asp "This system works fast in all water conditions and meets the stringent US EPA requirements for Microbiological Water Purifiers. It inactivates 99.99% of waterborn viruses and eliminates over 99.9999% of all waterborne bacteria and 99.9% of common protozoan parasites such as Giardia and Cryptosporidium." Essentially add 5 drops of "viralstop" per liter of filtered water and wait 5 minutes. The historic issues with chlorine bleach was it lost potency over time and different brands had different strengths. While it appears this product answers both of those issues, at $8 for 2 ounces of "Viralstop," you may choose to just use more bleach to be sure. Like most filters it is worthless on salt water. *************************************************************************** PaddleWise Paddling Mailing List - Any opinions or suggestions expressed here are solely those of the writer(s). You must assume the entire responsibility for reliance upon them. All postings copyright the author. Submissions: PaddleWise_at_PaddleWise.net Subscriptions: PaddleWise-request_at_PaddleWise.net Website: http://www.paddlewise.net/ ***************************************************************************Received on Wed Jan 08 2003 - 06:18:17 PST
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