Quick Guide Articles

Learn why pH matters in drinking water, how to test it, and what to do if it’s too high or low. Protect your plumbing, health, and water quality.

Discover common pathogens that contaminate drinking water, the health risks they pose, and how to test and protect your water at home with Tap Score.

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

Including Aquasana, Brita, Culligan, and more, this independent and affiliate-free guide explores filters certified to NSF/ANSI standards for the reduction of PFAS like PFOA and PFOS.

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

Renters’ guide to safe tap water: what to test, how to use mail-in kits like Tap Score, and renter-friendly filters to fix issues—no plumbing changes.

Do faucet water filters really work? Our unbiased look at popular faucet-mounted filters on the market—PUR, Brita, Waterdrop, and Culligan.