The Nitty Gritty on Filter Technologies – Environmental Working Group
Although there are hundreds of brands of home water filters, they all rely on a small number of technologies to remove contaminants, That does not mean that every filter using a given technology is as good as another, but it does mean that you can get a good idea of the general pros and cons of the different systems relatively easily. A few tips to keep in mind when looking at filters: Some filters use a combination of technologies, while others rely on just one. To ensure that a filter removes ...[READ MORE]