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(909) 671-7427
  • Today’s Specials
  • Water Softeners
    • Water Softeners
    • Salt-Free Water Conditioners
    • Portable Exchange Softeners
  • Water Filters
    • RO Water Filter Systems
    • Whole House Water Filters
    • Whole House RO
  • Current Customers
    • Pay My Bill
    • Service Request
    • Paperless Billing
    • Request Salt Delivery
    • Join Premier Program
    • Referral Rewards
    • Leave A Review
    • Culligan Connect™
    • Privacy Policy
  • Solution Center
    • Arsenic
    • Bacteria
    • Chlorine Smell
    • Chromium-6
    • Copper Pipes
    • Fluoride
    • HAA5
    • Hard Water
    • Iron/Rusty Stains
    • Lead
    • Mercury
    • Nitrates
    • PFAS
    • pH Problems
    • Pharmaceuticals
    • Sulfur – Rotten Egg Smell
    • Total Dissolved Solids (TDS)
  • About Us
    • About Us
    • Donation Requests
    • Culligan Cares
  • Careers
  • Is My Well Water Safe To Drink?
    March 21, 2023
  • How To Clean Hard Water Stains
    March 7, 2023
  • Water Stories To Watch in 2023
    February 21, 2023
  • How To Remove Chlorine From Tap Water
    February 7, 2023
  • What Are The Benefits Of Drinking Water First Thing In The Morning?
    January 23, 2023
  • Should I Use A Water Softener for Iron?
    January 10, 2023
  • How To Conserve Water In The Bathroom
    December 26, 2022
  • Is Reverse Osmosis Worth It?
    December 12, 2022
  • Why Does My Water Smell Like Sulfur?
    November 29, 2022
  • What Is The Difference Between A Water Softener & Water Conditioner?
    November 14, 2022
  • How Do I Remove Limescale From My Toilet?
    October 26, 2022
  • What pH Level Is The Best Water To Drink?
    October 18, 2022
  • What Is Ozone Water Treatment and How Does It Work?
    September 28, 2022
  • Do I Need A Water Filter For My RV?
    September 27, 2022
  • Are Water Softeners Safe?
    September 12, 2022
  • What You Need To Know About The New EPA Drinking Water Health Advisories
    August 15, 2022
  • California State Auditor Report Highlights Contaminated Water Problems
    August 2, 2022
  • Why Is My Aquarium Water Cloudy?
    July 11, 2022
  • How to Remove Fluoride from Water
    May 31, 2022
  • How To Deal With Limescale Buildup In Your Home
    April 8, 2022
  • How Much Does a Culligan Water Softener Cost?
    March 30, 2022
  • Low Water Pressure: Facts, Falsehoods, and Solutions
    March 15, 2022
  • How Much Does a Culligan Water Jug Weigh?
    February 25, 2022
  • Does My Well Water Need A Water Softener?
    February 17, 2022
  • How to Remove Hard Water Stains from Glass Shower Doors
    January 31, 2022
  • Water Softener vs. Water Conditioner: Which Is Right For You?
    December 21, 2021
  • Are There Disinfection Byproducts In Your Water?
    October 25, 2021
  • Petroleum-Based Chemicals – What You Need to Know
    September 23, 2021
  • Cysts in Your Water – Should You Be Worried?
    August 28, 2021
  • Culligan Drinking Water Systems – How Much Do They Cost?
    August 10, 2021
  • MTBE In Water: What Should You Do?
    July 7, 2021
  • PCBs in Ontario Water
    June 30, 2021
  • VOCs in Drinking Water
    May 28, 2021
  • The Biggest Reasons Why Water Treatment Is A Growing Trend
    April 28, 2021
  • The Benefits of Reverse Osmosis Vs Bottled Water
    April 7, 2021
  • Can Drinking Water Help My Allergies?
    March 29, 2021
  • Concerned About Your Water? Here's The Water Stories In 2021 To Watch
    February 26, 2021
  • Lead Service Lines
    February 1, 2021
  • Spring Water vs. Purified Water
    December 18, 2020
  • Deionized Water Versus Distilled Drinking Water
    November 11, 2020
  • Five Contaminants Reverse Osmosis Removes That Pitcher Filters Can't
    October 14, 2020
  • These Common Causes of Ontario Water Pollution Might Surprise You
    August 18, 2020
  • Exploring The Benefits of Lemon Water
    July 27, 2020
  • Should I Shower With Filtered Water?
    July 6, 2020
  • How Much Water Should I Drink Every Day?
    May 26, 2020
  • A Message From Culligan Ontario About COVID-19
    April 14, 2020
  • Coronavirus In Your Ontario Tap Water? CDC Says Not Likely
    March 30, 2020
  • Urban Myths: Soft Water and Hair Loss
    January 22, 2020
  • Wildfires Could Impact Southern California Water Quality
    January 1, 2020
  • The Culligan® Mineral Boost Cartridge: Take Control of Your Water!
    November 15, 2019
  • PFAS Water Contamination in Ontario
    November 7, 2019
  • PURE WATER FOR ANY BUDGET
    October 9, 2019
  • What You Need To Know About Chromium-6 In Ontario
    October 5, 2019
  • Ontario: What Do Refrigerator Water Filters Filter Out?
    December 19, 2018
  • Ontario: Water Related Diseases You May Not Know About
    December 12, 2018
  • Holiday Financing
    December 6, 2018
  • Don’t Let Hard Water Ruin Your Holidays
    November 19, 2018
  • Ontario: Understanding Water Scarcity
    November 15, 2018
  • Ontario – Do I Need a Whole-Home Filter?
    November 12, 2018
  • Your Guide to Water Treatment Trends in Ontario: Chlorine vs. Chloramine
    October 22, 2018
  • Getting to Know Culligan: A History of Service, A Legacy of Expertise
    September 26, 2018
  • Ontario: Get The Best Water For Coffee
    September 25, 2018
  • Feeling the Pressure? Hassle-Free Ways to Reduce Your Water Bill Right Now
    September 19, 2018
  • I already have a water filter. Why do I still need a water test?
    August 27, 2018
  • Beauty and Skin Care Hacks: The Rise of Rice Water
    August 27, 2018
  • Bacterial Water Contamination in Ontario: How To Spot It and Solve It
    August 20, 2018
  • Ontario Area: Boost Your Water's Benefits with Detox Fruit Water
    July 17, 2018
  • Ontario: How Do I Know My Water Softener Is Working?
    June 15, 2018
  • Is Chlorine In Your Ontario Area Water A Problem?
    June 9, 2018
  • Lead in Water: What You Need to Know
    May 31, 2018
  • So Cal Summer Hydration Hacks You CAN'T Live Without!
    May 21, 2018
  • Exploring Common Water Contaminants in the Inland Empire
    May 9, 2018
  • The Best Drinking Water for Pets, And How to Get It
    April 25, 2018
  • Los Angeles: PFOA in Your Water and What It Means
    March 28, 2018
  • How to Remove Hard Water Stains -- And Keep Them From Coming Back
    March 21, 2018
  • Is Alkaline Water Really Good for Your Health?
    March 7, 2018
  • How to Buy A Water Filter...And The Biggest Reasons to Avoid Going Retail When You Do
    February 26, 2018
  • What Is Reverse Osmosis?
    February 19, 2018
  • Do You Need an Iron Water Filter?
    February 7, 2018
  • Is Your Water Good -- or Just Good Enough?
    January 30, 2018
  • 2017 Brought Numerous Challenges to Culligan Cares
    January 19, 2018
  • Can Hard Water Contribute to My Child's Eczema?
    January 10, 2018
  • Why Does My Tap Water Taste Like This?
    November 30, 2017
  • How Can You Save Water This Thanksgiving?
    November 22, 2017
  • Wildfires could affect Southern California water quality
    November 8, 2017
  • Sulfur in your Water (Rotten Egg Smell) - What You Can Do
    October 31, 2017
  • Introducing Culligan Clear Link Pro
    April 26, 2016
  • Welcome to Culligan
    April 25, 2016

Culligan of Ontario
1925 Burgundy Place
Ontario, CA 91761
(909) 671-7427
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