What Is Hardness in Water?
Learn how to look for signs of hard water on your body, appliances and home.
4 min READ
Problem Water
What to Do About Lead in Your Water
Lead in your home’s water is a problem. Find out how to test for it and what to do about it.
4 min READ
Benefits of Removing Hard Water at Home
Hard water can cost you time and money. Learn how you can improve your home with soft water.
3 min READ
Copper in Your Water: Everything You Need to Know
Copper in your water can affect both you and your home. Learn how to test and solve for it.
3 min READ
Is Chlorinated Water Safe to Drink?
Chlorine may be present in the water you drink, bath and clean with. Learn what to do about it.
3 min READ
Water Contaminant Spotlight: Is Fluoride In Water Bad?
Learn about the effects of fluoride in your water and how water filtration can help reduce it.
3 min READ
Water Contaminant Spotlight: Total Dissolved Solids
High levels of total dissolved solids can cause issues with appliances and your health.
2 min READ
What’s In Your Water?
Our water diagnosis tool can help you find out exactly what’s in your water and what to do about i...
2 min READ
How Hard Water Affects Us
As your go-to water filtration experts, we at Culligan get asked the question “what is hard water?...
3 min READ
Are PFOA And PFOS Contaminants In Your Water?
Perfluorooctane Sulfonate (PFOS) and Perfluorooctanoic Acid (PFOA) are fluorinated organic chemicals...
2 min READ
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With any of our soft water systems, get more out of your water-using appliances while spending less on energy and detergent.
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Culligan’s water filtration systems have improved water quality for thousands of families worldwide.
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