Quick Guide Articles

Spring water is groundwater that naturally flows to the surface. The best way to tell if spring water is safe to drink is to test it. Find out how and...

From AquaTru and Culligan to GE Appliances, this affiliate-free guide contains filters certified to NSF/ANSI standards for the reduction of fluoride

With devices from Aquasana, Brita, Culligan, and more, this affiliate-free guide contains filters certified to NSF/ANSI standards for the reduction of PFAS/PFOA/PFOS

From Brita and PUR to Aquasana and ZeroWater, this affiliate-free guide contains filters certified to NSF/ANSI standards for the reduction of lead

If you live in a rental property, here's how you can manage your water quality—from contaminants to test for to water filters like pitchers and reverse osmosis

Do faucet water filters really work? Here’s our unbiased look at the most popular faucet-mounted filters on the market—PUR, Brita, Waterdrop, and Culligan. Find out what the remove and what...