Culligan Nation Blog

Boiled Water vs. Reverse Osmosis Filtration: What's More Effective?
To help you select the best water filters for your home, here's a look at how traditional methods compare against Reverse Osmosis and other advanced filters.
6 Surprising Facts about Chromium-6 in Water
Chromium-6, also known as hexavalent chromium, affects the drinking water of 2 out of every 3 Americans. Let's learn more.
How to filter water: which method is best for your home?
Water quality in the U.S. has been making national headlines, which may have you exploring filtration options to take precaution. But which method is best for your home? Here, we lay out how to filter water, and the pros and cons of the most popular optio
Water softening equipment 101: how they work and why you should have one
Nearly 85 percent of American homes suffer the effects of hard water. However, when it comes to hard water, you do have a choice.
What are nitrates and how do they end up in water?
What are nitrates, and how can we prevent them from entering our water supply? Here, we answer your FAQs about nitrates, and how to keep your family safe from harm.
Culligan expands Hurricane Matthew relief efforts
Culligan Cares donated an additional 800 5-gallon water bottles to Haiti, in continued humanitarian efforts following the passage of Hurricane Matthew.
Coliform Bacteria: 5 Things You Should Know
Coliform bacteria is a group of 16 species of bacteria used to indicate water quality, and the presence of E. coli.
Culligan Cares September Recap
September recap of Culligan Cares. Our charity's mission is to help individuals, families and communities in need of clean, safe drinking water.
What Does Reverse Osmosis Remove?
Whether you just bought a house or are thinking of starting a family, having a reverse osmosis system installed in your home can bring peace of mind. But what does reverse osmosis remove?*