We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan is a writer who covers air and water quality and ...

A measure of how effectively the filter removed flavor taints, along with the resulting odor taints, that CR added to plain water with minimal intrinsic flavor and odor (the "control" water). The test ...

If you’ve been thinking about buying a water filter pitcher to reduce the contaminants in your drinking water, there’s a good chance you’ve heard of Brita and Pur. As the two most recognizable names ...

In the last edition of Don’t Fear the Filter, we built up two examples of the simplest and most-used active filter of all time: the two-pole Sallen-Key lowpass. This time, we’re going to put two of ...

Dear Ed: I read an article of yours that talked about adding a filter system to the kitchen sink. In my master bathroom, I often think about filtering my bathroom sink water. What types of filters can ...