With the large verities of available water filters, and taking into account our recommendations, you should consider the following when buying a water filter.
What is in the water
Test your water to find out the actual contaminants in your home’s water supply. Buy a filter that is designed to remove those elements found.
The NSF Joint Committee on Drinking Water Treatment Units has developed key standards for evaluation and certification of drinking water treatment units. The NSF/ANSI Standard 53, addresses point-of-use and point-of-entry systems designed to reduce specific health-related contaminants, such as Cryptosporidium, lead, volatile organic chemicals (VOCs), and MTBE (methyl tertiary-butyl ether), etc. that may be present in public or private drinking water.
The ongoing costs of filter cartridge differ from manufacturer to manufacturer. Our tips is to choose a water filter in which is compatible from 3rd parties. These are much cheaper than the originals cartridges from manufacturers generally. So the price difference sometimes is up to 2 cents per liter filtered water.
Filter Indicator: It is important to change the filter at recommended intervals. Filter indicators remind you when to change your filters. You can choose devices with electronic filter indicators or use sticker filter indicators. Standard filter indicators let you manually set the dial to the calendar date.
Ultraviolet Light: Ultraviolet light kills bacteria and viruses, but does not filter out chemicals.
Will it drive you nuts to wait 10 minutes for the filtered water to drink? Our water filter test, the average duration was filter of 1 liter of water at about 1-2min.
Number of persons in household
Depending on the number of persons in your family. For a large household, should select a filter with a big water tank which in the long run, it is an inexpensive option.