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The Causes Of Hardness In Water: Magnesium And How to Remove It

The Causes Of Hardness In Water: Magnesium And How to Remove It

Drink Culligan WaterAre the stains in your bathtub or spots on your clean glassware driving you mad? Are you suffering from dry, itchy skin or dealing with dry, lifeless hair? It could be due to hard water, which can wreck havoc on both you and your home. Here are the causes of hardness in water, and how you can fix it in your home.

Hardness means your water contains more minerals than it should. And while it is not a health hazard, as water experts, we understand how much of a nuisance hard water can be to you and your household.

It can cause:

  • Film on glass shower doors, shower walls, bath tubs, sinks and faucets;
  • Hair to feel sticky and look dull;
  • Laundered clothes to appear dingy and feel scratchy;
  • An increase in the amount of soap and detergent needed for cleaning;
  • A film of sticky soap curd on skin;
  • Irritated skin.

Understanding what causes hard water can play a big role removing it. One of the main culprits? Magnesium.


Along with other alkali earth elements, like calcium and bicarbonate, magnesium is responsible for causing water hardness. It’s present in seawater, oceans, rivers and even rainwater, causing it to naturally spread into your water.

Magnesium can also enter your tap due to chemical industries, which add it to plastics as a fire protection measure, and due to fertilizer supplication and cattle feed.

But how do you remove hard water from your home?

  1. Schedule a water test. First, you need to determine how hard your water is through the amount of total dissolved solids (TDS) present. For that, it’s best to schedule a water test, for which your local Culligan man will swing by to perform at no extra charge.
  2. Consult with an expert. Because everyone’s situation is unique, it’s important to consult with an expert to ensure you’re installing the water treatment equipment best tailored to meet your needs. For instance, your Culligan man will diagnose your issue and propose the best possible solution.
  3. Install a softener directly to your water supply. Water softeners are designed to remove ions with multiple positive charges – in this case, magnesium and calcium. The degree of hardness will decrease when calcium and magnesium dissolve.
  4. Enjoy soft water! Enjoy smoother skin, cleaner dish and glassware, and stain-free bathtubs and sinks! Softening your water does not extract minerals essential to your health, but actually makes your water safer to drink. Note: Because of an increase in sodium, it’s best not to use softened water in yard work.

When your water is hard, it can make life hard, too. Call your local Culligan dealer and schedule a free water test today!

Hi, I'm LuLu the Culligan Lady! I'm here to talk to you about better water -- pure and simple! Hey, Culligan Man!