My Cart Find My Dealer Now providing virtual appointments. Book Now. Resources FAQs FAQs Answering all your water questions Water may seem simple, but there are a lot of complicated questions surrounding this everyday liquid. We're here to answer all your water questions and make sure you have everything you need to get the most out of every drink. If you have any additional questions, don't hesitate to contact your local Culligan Water dealer. How much water should I drink? What is RO (reverse osmosis)? What does a typical RO system remove from water? Is RO water really as good as bottled water? Has Culligan Water received any endorsements? What is Culligan Water's 100% satisfaction guarantee? What should I consider before buying a water treatment solution? What questions should I ask after I've decided on a water treatment solution? What is hard water? Why is iron a problem in my water? What is the difference between softening water and filtering water? Do I need filtering or softening? Is it hard to maintain or service a water softener? What is regeneration? Are there harmful effects of water softener discharges on household septic tanks? Will softened water affect my lawn or garden? What are the differences between various types of bottled water? What is in bottled water? Resources In-home water test FAQs Renting vs. owning Savings Calculator Drinking water apps Understanding water terms Common water problems Quality standards Water quality reports Drinking hard water Tips for proper hydration Bottled water reviews Bottled water facts Timers and manuals Salt-Free Water Softeners Culligan blog Call our team of experts for more information on water and all the ways it can make a difference in your life. Support Schedule an Appointment Special Offers In-Home Water Test About Careers Online Bill Pay NewsLetter Sign Up Stay Connected © Culligan 2021 Privacy Policy Terms & Conditions Website by: Perrill To Top