Water filters are relatively quick, simple, and offer clean tasting water for recreationists, but remember that the small pore size will require effort and muscle on your part to generate a quart of drinkable water. Smaller pore sizes tend to plug up easily and replacement filters can be costly. With so many filters on the market, check carefully for pore size, cost of replacement filters, durability, weight, and the ability to replace filters in the backcountry without contaminating the filtered water. Many filters tend to be bulky and complicated. Become familiar with yours before using it as your sole source of water purification on your next adventure.
Some individuals worry themselves sick with the possibility of drinking untreated water.
Remember that the chances of getting sick are much less important than the possibility of dying from dehydration before you return. If you ever find yourself in the outdoors without the means to properly treat water, try to find the cleanest source available. Look for natural springs or learn how to capture dew. It is not fun to get sick, but if no other options are available, drink enough water to sustain yourself until help arrives or you can return home. .