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Chicago-based businesses team up to deliver new, more sustainable water experiences.

United Center, Chicago Bulls and Chicago Blackhawks Eliminate All Single-Use Plastic Water Bottles with Culligan International

Water Softening Articles

Water Testing Articles

Reverse Osmosis Articles

Well Water Articles

Water Safety Articles

Water Dispensing &amp; Delivery Articles

Water Filtration Articles

Home &amp; Health Articles

Hard Water Articles

Sustainability Articles

Here’s what you need to know about the relationship between RO and treatment of this forever chemical.

Does Reverse Osmosis Remove PFAS From Drinking Water?

If you have hard water, you’re probably well acquainted with spotty dishes, limescale buildup, stiff laundry and soap that just won’t lather. But did you know your home isn’t the […]

Easy & Effective Hard Water Hair Treatment Solutions

Here’s what to know before you fill your glass.

Are There Side Effects of Drinking Tap Water?

How serious is the plastic water bottle pollution problem? Here’s what you need to know.

Plastic Water Bottle Pollution: How You Can Help

Featured Articles

Here’s what to consider when getting an industrial water softener.


Choosing Your Industrial Water Softener

Here’s a look at all your water softener salt options and how your choice impacts your water.

What Is the Best Water Softener Salt?

Water conditioner vs. water softener? Are they different? Here’s what to know and how to choose the system you need.

Water Conditioner vs. Water Softener: What’s The Difference?

Here’s a look at key variables, from installation to maintenance.

A Breakdown of Water Softener Cost Considerations

Here’s what goes into the final price - and what else you need to know.

Breaking Down Water Softener Installation Costs

Here’s what you’ll notice with your new softener and how to keep it working at its best.

What To Expect After Getting a Water Softener

What does TDS stand for, and what does it indicate for your water quality?

TDS Tester Tips (and Why a Water Test is Better)

Discover the issues chromium in water can cause and how to fix it.

A Guide to Chromium Water Contamination and Testing

Copper in water can be addressed through a few different methods depending on the source.

Solutions for Copper in Water

You don't want arsenic in your water, but the good news is there are solutions.

A Guide to Arsenic Water Contamination and Testing

For millions of North American households, a cool drink on a hot summer&#8217;s day or a load of sparkling clean dishes means relying on well water. Wells can be an […]

Well Water Testing: Everything You Need to Know

Iron is commonly present in tap water, but the amount can depend on where your water comes from. 

A Guide to Iron Water Contamination and Testing

Our buyer’s guide will help you navigate choosing the best water filtration system.

Buyer’s Guide 2024: How To Choose The Best Home Reverse Osmosis System

Here’s what to know about this water additive and how filtration can help.

Does Reverse Osmosis Remove Fluoride?

Here’s  how chromium may impact your water supply.


Causes, Effects and Solutions for Chromium in Water

Find out what does and doesn't work to address chloramine in your water.

How To Remove Chloramine From Water

Make sure you're taking full advantage of everything your smart RO has to offer.

5 Tips to Maximize the Benefits of Your Smart RO System

Convenience, control and peace of mind are just a few reasons.

6 Reasons Why You Need a Smart Reverse Osmosis System

Find out if well water is hard or soft and what you can do if you are experiencing hard water problems

Is Well Water Hard or Soft?

Find out what could be causing the problem and how to fix it.

Causes and Solutions for Cloudy Well Water

Is there brown water in your cup? Your well could be to blame. Here are just a few potential causes for this water quality issue: Iron Iron bacteria Rust Sediment […]

Why Is My Well Water Brown? Answers and Solutions

Learn about the differences and similarities between well water and city water.

Well Water vs. City Water

Understand factors that contribute to the cost of a new well - and how to ensure your water quality.

How Much Does Well Drilling Cost?

Most well water comes from underground reservoirs called aquifers — natural “storage tanks.” These tanks are filled with groundwater, which originated from precipitation that seeped through the earth as part […]

Where Does Well Water Come From?

What to know about how boiling water affects forever chemicals in your water — and why you should consider filtration instead.



Does Boiling Water Remove PFAS?

Here’s what to know about how forever chemicals get into your single-serve water bottles.



FAQ: Are There PFAS in Bottled Water?

Here’s how Culligan can answer your home water quality questions with a PFAS test kit.

What is PFAS Water Testing?

Make sure to follow these steps to keep your home and family safe. 

What to Do in a Boil Water Advisory

Learn about PFAS and the latest EPA guidelines for better water quality.


PFAS Regulations in the U.S.

Learn more about how these chemicals can get into drinking water and what you can do to address them.

What are PFAS Chemicals?

We answer the most common questions about our popular bottled water delivery service.

How Does Culligan Water Delivery Work?

Sustainability, convenience and great-tasting water are just a few.

Benefits of 5-Gallon Water Delivery

Need to cut out plastic and stay hydrated at work? Explore a bottleless water dispenser.


The Benefits of a Bottleless Water Dispenser in the Office

What's the latest office hydration? Explore a new option: the bottleless water cooler.

Bottleless Water Cooler Dispenser vs. Single-Use Bottled Water

Get great-tasting Culligan water delivered right to your door in just a few easy steps.

How to Order Culligan Bottled Water Online

If you’re interested in learning about the benefits of water delivery, here’s what to know.

How Much Does Water Delivery Cost Per Month?

Water Dispensing & Delivery Articles

Find out how your bottled water compares to water filtered at home. 

Is Bottled Water Filtered? What You Need To Know

Here’s what to expect from the experts.

How Professional Drinking Water Filter Installation Works

Find out what makes these water types different  and how to choose the right one.

Filtered vs. Distilled vs. Purified Water

Although a sweet taste can often be pleasant, it’s not what you expect when you grab a glass of drinking water. Sweet-tasting water can have a few potential causes, including: […]

What Causes Sweet Tasting Water?

If you’re curious about water filtration systems for your home, cost is likely one of the biggest topics on your mind. How much should you expect to spend on water […]

Home Water Filtration System Cost: Find The Right Option for Your Budget

Boiled Water vs. Filtered Water

Get ready to stir up something tasty with these recipes.

10 Recipes for Non-Alcoholic Drinks

Targeting your tap water could be the best solution to healing cracked heels

How To Heal Cracked Heels With Better Water

What water do you use for formula? Here’s what you need to know.

What Water Do You Use for Formula?

Quench your thirst for knowledge with a quick water quiz.

Quiz: How Well Do You Know Your Water?

 Here are a few recipes that will quench your thirst and support overall well-being

Try These Recipes for Homemade Detox Drinks

Soothe your skin till spring with five easy ways to combat winter dryness.

5 Ways to Fight Dry Skin This Winter

Home & Health Articles

Here's why a water test is the safest bet to determine if you have hard water.

How To Tell if You Have Hard Water

Learn easy recipes for homemade bathroom cleaner and why better water is always the first ingredient.

5 Homemade Bathroom Cleaner Recipes

If you’ve noticed white residue on dishes, don’t blame your dishwasher detergent. The culprit is likely hard water — a high concentration of calcium and magnesium in your water supply. […]

How To Prevent White Residue on Dishes

Hard water solutions for home improvement are easier than you think.

Hard Water Solutions for Home Improvement

Learn what causes limescale, how to remove it and how to get rid of it for good.

Limescale Causes, Effects and Solutions

How do you get rid of hard water stains? Brush up on these helpful cleaning tips.

How To Remove Hard Water Stains

It may not be wise to use those single-use plastic water bottles over and over.

Can You Reuse Water Bottles?

What is BPA? Is it in your water bottles? Here’s everything you need to know.

Ask Culligan: BPA Water Bottle Meaning

Skip single-use plastics with an option that's better for the environment and your wallet.

Why Choose Sustainable Water Bottles?

We've got some great tips on conserving water and other ways to spend less.

How to Cut Costs in the Bathroom

Conserve water and reduce your carbon footprint by changing these regular habits.

How to Live More Sustainably in Everyday Life

Learn all about World Water Day and how you can raise awareness about important water issues.

World Water Day

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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.

Water Softeners

There’s never been a better time to enjoy the convenience of scheduled bottled water deliveries from the Culligan&reg; Water Experts

Water Delivery

Culligan's water filtration systems have improved water quality for thousands of families worldwide.

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