5-Stage Filtration

The Purest Water. Guaranteed.

 Experience 5-Stage filtration that delivers zero TDS – No Contaminants, No Compromise.

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  • Why Culligan ZeroWater?

    Not All Filters Are Created Equal!

    ZeroWater goes beyond taste. Our 5-stage ion exchange filtration removes 99.6% of total dissolved solids (TDS) including lead, PFAS, chromium, and more. You get cleaner, safer, and better-tasting water, every time.


    • NSF Certified for Lead & Chromium Reduction
    • TDS Meter Included – See the Results Yourself
    • Trusted by Millions of Households
    • Backed by Culligan’s Legacy in Water Quality
    Learn more 

  • For Coffee Lovers – Elevate Every Cup

    Water is the Foundation of Great Coffee.

    If you take coffee seriously, don’t let bad water ruin your brew. Our Third Wave Water brings you mineral-optimized brew profiles crafted to match the needs of specialty coffee, just add the minerals to ZeroWater for next-level flavor clarity.

    • Third Wave Water profiles and filtration
    • Designed for Coffee, Espresso & Brewing
    • Used by Baristas & Roasters Worldwide
    • Works Perfectly with 0 TDS ZeroWater
    Shop Third Wave Water 

Science Behind the Filter

ZeroWater’s 5-stage filtration uses a unique combination of mechanical filtration, activated carbon, and ion exchange technology. It removes:

  1. Lead, Chromium, and Mercury
  2. Chlorine and Fluoride
  3. PFAS chemicals
  4. 99.6% of Total Dissolved Solids (TDS)

Certified by NSF and validated through lab testing, our filters provide more than taste improvement, they provide measurable purity.

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Explore Our Products

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Praised by Forbes, Real Simple, CNET, and the Washington Post

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  • "Simply put, I Believe you'd be hard-pressed to find a pitcher with a more impressive filter."

  • "I've come to enjoy the crisp, clean taste of ZeroWater's filtered water so much that I can always detect the difference when I drink tap water now."

  • "We love ZeroWater products, especially its pitchers. These have been tested by our experts and topped our best water filter pitcher list."

  • "Any pitcher that's independently certified to reduce PFASm such as ZeroWater, will do the job, too."

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Content From The Washington Post. © 2023 The Washington Post. All rights reserved. Used under license.

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Drink smarter, live better.

Culligan ZeroWater brings advanced 5 stage filtration to your tap, removing up to 99.9% of total dissolved solids for water that’s crisp, clean, and refreshingly pure.

Unlike other brands, our filters are certified to reduce 99.7% of lead and 95% of PFOA and PFOS forever chemicals, giving you peace of mind with every sip. Taste the difference that true purity makes.

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