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A water microfilter is a device used by many hikers, long-term backpackers, international travelers, and campers to safely and conveniently purify water from natural sources. These water microfilters purify the water by passing it through a small filter to remove sediment, chemicals, and microorganisms, leaving you with clean and safe water to drink. In this article, I'll run through the basics of water microfilters and help you determine if you need a water filter.
A water microfilter has three main parts: an input hose, the main body, and an output hose or attachment. The input hose is placed in the source (rushing river, calm stream, lake, puddle, etc.); it typically has a prefilter attached to it to prevent large pieces of sediment or biomass from entering the body of the filter.
When you pump with the handle, water is forced through the input hose and into the body of the water microfilter. In the body, there is a glass-fiber or ceramic filter, with pore sizes of about 0.2 to 0.4 microns in diameter. These microscopic pores prevent bacteria (such as E. coli) and protozoa (such as Giardia) from contaminating your water supply and making you sick.
Once it passes through a ceramic or glass filter, it usually passes through an activated charcoal filter to remove chemicals that may be in the source. This has the added benefit of taking out foul odors and tastes, leaving you with clean, great tasting water. Finally, the water passes through the output hose or attachment into your water bottle or reservoir.
If you are thinking of going hiking or traveling without a water filter or purifier, you might want to think twice. Even the swiftest moving water can have microorganisms in the water. So while it may taste fine, it could leave you with a nasty bout of sickness. Further, a water source may be contaminated one day and safe the next; this is because animal waste is one of the leading causes of contamination and it is impossible to know what happened upstream.
If you drink contaminated water, you may get sick for a day or a week. This is because some microorganisms found in the water attack the small intestine - this will leave you having constant diarrhea to flush it out (not a pretty picture). You will lose nutrients and become dehydrated quickly, which could be a life threatening situation if you are hiking or traveling alone.
So before you ask "do I need a water filter?", you should ask yourself "can I afford to get sick?" A water microfilter is an excellent investment for hikers, campers, and travelers and highly recommended.
Water Microfilters is a site that reviews water purifiers for hiking, backpacking, camping, and travel. We encourage you to visit for more information and water microfilter reviews.
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