Water Filters, Reverse Osmosis and Water Treatment Systems
Get science-based, helpful information about water filters, reverse osmosis and other water treatment systems.
Learn how different systems treat different contaminants in drinking water to find the best water purification system for your home.
Home Water Treatment
Learn how to find the right water treatment solution for your home.
NSF Standards for Water Treatment Systems
Learn about the importance of water treatment standards and protocols.
Drinking Water Testing
Determine what type of testing to do on your well or municipal water.
Product Label and Literature Claims
Don’t overlook the product packaging and literature of certified water treatment systems.
Consumer Confidence Reports
Do you ever wonder what is in your drinking water?
Contaminant Reduction Claims
Find a certified water filter or treatment system using our helpful guide that shows the top contaminants you ask us about.
Changing Water Filters
Learn when and why you need to change your water filter.
Water Safety
Learn more about common water contaminants to understand what’s in your drinking water.
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