Guide Articles

Learn why your water is yellow, brown, rusty, green, cloudy, murky, or oily—as well as what you can do about it to make sure your water is safe to drink.

Explore an unbiased, affiliate-link-free analysis of Berkey Water Filters. See how effective they are at making your tap water safer to drink.

Do Brita pitcher filters actually make for safer tap water? An unbiased overview of what Brita water filters really do for your drinking water.

How Do You Pick the Best Water Filter? Make the right decision thanks to our guide to choosing the water filtration technology that's right for you.

A guide to well water contaminants that covers like cloudiness or weird smells and tastes as well water testing and filtration recommendations

A guide to everything you need to know about water hardness, total dissolved solids (TDS), pH, and alkalinity

Long-term exposure to DBPs like TTHMs and HAA5/HAA9 in drinking water can contribute to major health risks—including bladder cancer. Learn more about their potential risks

Learn all about well water testing—including sampling procedures, what to test your well water for, and how often you should test your well water.