| Water Filter Guide, A Consumer Guide to Choosing Drinking Water Systems http://www.waterfilterguide.net/ The purpose of this web site will be to help you understand your options when it comes to purifying your drinking water. There are a lot of companies to choose from, and there are a lot of false and misleading claims to sort through. | |
| HeartSpring.net http://heartspring.net/water_filters_guide.html A guide to water filters and various types of water treatment. | |
| World Water Reserve https://worldwaterreserve.com/ An online resource for reviews on water filtration technology and information on the global water crisis. | |
