Tag Archives | giardia

Aquaguard Eliminator Inline Purifier

I had almost given up hope of ever finding an ultralight inline purifier for my hydration system. I knew they existed in military circles because I have a friend who works at the US Military Testing Center in Natick, Massachusetts, but I could never get my hands on one. That is, until I bought the Aquaguard [...]

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How to Prevent your Water Filter from Freezing in Cold Weather

If you own a water filter for backpacking or camping, it's really important to prevent it from freezing in cold weather because it can seize up or crack when it thaws. Either of these conditions are bad news because you run the risk of drinking contaminated water than can make you sick if your filter [...]

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Aquamira Frontier Pro Water Filter

The Aquamira Frontier Pro water filter is an exceptionally lightweight 2 oz. alternative to the more bulky water filters and water purifiers available on the market to day. In comparison, my First Need filter weighs a hefty 15.9 oz. The Frontier Pro connects to platypus bladders or plastic bottles. To get water, you suck on [...]

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The Limitations of Water Filters and Water Purification

Most of the water filters carried by backpackers and long distance hikers cannot remove organisms smaller than 3 microns in size. While protozoa such as Giardia (shown below) and Cryptosporidium are about 5 microns in size, water filters miss bacteria such as Cholera, E. Coli, and Salmonella (0.2 – 0.5 microns) and viruses such as [...]

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