1. Evaluate your specific water filtration needs. Are you interested in only a drinking water filter or do you need a shower filter, as well? If you are interested in a larger investment, you may want to look into a whole house water filter.
2. Decide if you want to target any specific contaminants when filtering your water. For example, if you receive water from a well, it is likely that chloramines are being added as disinfectants to your water, in place of chlorine. You will want to find a water filter that promises the removal of chloramines.
3. Do some independent research on water filtration. Find out what exactly a water filter does. In order to understand certification claims, you will need to know a little about the process of water filtration. A few manufacturers and resellers offer useful information about water filtration on their sites.
4. Once you have learned a little about water filters, begin to refine your search, keeping particular filter medias and technology in mind.
5. Decide on a few brands of water filters that match your budget and then conduct some more in-depth research. Look into their certification, find out what contaminants they remove, and determine what percentage of contaminant removal they guarantee.
6. Look into consumer advocate organizations like Consumers Digest to find what other buyers have said about a particular water filter.
7. Choose a brand of water filter and try it out. If the water filter serves your needs, then keep it. If it does not meet your needs, try out another brand. Most manufacturers offer a money-back guarantee if you are not satisfied with the product.
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