John Pujol Articles

Water softeners come in handy if your water is "hard," which means it it has high levels of dissolved calcium and magnesium.

Corrosion and scaling. What are they? How are they related? And what can you do to prevent expensive failures in your water pipes and fixtures?

What is the National Sanitation Foundation (NSF) and what do their certifications mean for water filtration devices?

Worried about your water and looking for a water testing laboratory near you? A helpful guide to the wide world of laboratory water analysis.

How do you know if your water filter is working? The only way to know is to test your water, conducting something called "performance testing."

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

What do the Lead and Copper Rule Revisions (LCRR) mean for you? Compliance must be met by October 16, 2024. Learn about lead service line replacements, enhanced sampling, testing in...