Help Guide

Water Treatment FAQ

Have a question about our products or services?  Check out the answers to your common water questions here.

Water Terms

Have a question about a specific water term?  Check out the list of water terms in our water dictionary.

Water Quality Standards

Have a question about how Culligan meets or exceeds water processing standards?  Check out why our water tastes so great.

Timer Settings & Manuals

Have a question about your timer or product?  Check out our manuals for more information on timers, household parts, and systems.

Hydration Calculator

How Much Water Do You Need? We want to provide a solution tailored for you, so take a moment to inventory your needs.
Learn more about how you can have better water.

Latest Blog Posts

What Clients Say
I desperately needed a RO system for my planted aquariums and for my dogs. Our Well water is extremely hard. The customer service representative was amazing throughout the entire process. I am so pleased with my new tankless RO system.
Culligan Customer
Courtney (Planted Tankz)
- Culligan Customer
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