Hard Water Stains: What Causes Them and How to Get Rid of Them
Hard water is a common issue in many homes, leaving behind stubborn stains on sinks, tubs, glass, and dishware. If you’ve noticed cloudy spots, yellow or orange stains, or a chalky residue, your home may have hard water.
While hard water isn’t harmful to your health, it can damage appliances, plumbing, and fixtures over time. The good news? There are effective ways to remove hard water stains and prevent them from coming back.
What Is Hard Water and Why Does It Cause Stains?
Hard water contains high levels of calcium and magnesium, which dissolve in the water as it passes through rocks, soil, and underground sources. When hard water evaporates or dries on a surface, these minerals are left behind, forming stains and scale buildup.
Common signs of hard water stains include:
Cloudy glassware that looks dull after washing
Chalky white residue on faucets and showerheads
Rust-coloured stains in sinks, toilets, and bathtubs
Scale buildup in pipes and appliances, reducing efficiency and longevity
Over time, these mineral deposits can lead to plumbing issues, appliance damage, and a never-ending battle with stains.
How to Remove Hard Water Stains
Luckily, you don’t have to live with hard water stains forever. Here are some effective ways to clean and remove stains from common surfaces.
1. Glass & Dishware
Hard water stains on glass surfaces—such as shower doors, mirrors, and drinking glasses—can make them look dull and dirty. To restore shine, try this simple method:
✔ Mix equal parts white vinegar and water in a spray bottle.
✔ Spray the solution onto the glass and let it sit for 5–10 minutes.
✔ Wipe with a microfiber cloth or sponge, then rinse with clean water.
For tough stains, use a lemon cut in half to scrub the surface—the citric acid helps break down mineral deposits.
2. Faucets & Sinks
Hard water deposits can leave white or crusty buildup around faucets. To clean them:
✔ Apply baking soda and vinegar to a cloth and wrap it around the faucet.
✔ Let it sit for 30 minutes to an hour, then scrub with an old toothbrush.
✔ Rinse and wipe dry to prevent new stains from forming.
For metal sinks, fluoride toothpaste can also help polish and remove stains.
3. Showers & Bathtubs
Soap scum and hard water stains often build up on shower walls, tiles, and bathtubs. To remove them:
✔ Make a paste of baking soda and water and apply it to stained areas.
✔ Let it sit for 15 minutes, then scrub with a soft brush or sponge.
✔ Rinse thoroughly with warm water.
To prevent future buildup, wipe down your shower and tub after each use with a squeegee or microfiber cloth.
4. Toilets & Laundry Machines
Rust-coloured stains in toilets and washing machines are caused by iron and mineral buildup. To clean them:
✔ Pour one cup of vinegar into the toilet bowl or washing machine drum.
✔ Let it sit for an hour, then scrub with a toilet brush or run an empty wash cycle.
✔ For stubborn stains, add a sprinkle of baking soda and scrub.
The Best Way to Prevent Hard Water Stains: Install a Water Softener
While regular cleaning helps remove stains, the only long-term solution is to treat the hard water itself. A home water softener system removes calcium and magnesium through ion exchange, preventing stains and extending the life of your appliances and plumbing.
Benefits of a water softener:
✔ Eliminates scale buildup in pipes, faucets, and appliances
✔ Prevents stains on glass, fixtures, and surfaces
✔ Reduces soap scum, making cleaning easier
✔ Helps clothes stay softer and brighter after washing
✔ Improves water pressure by reducing mineral deposits in plumbing
Get Rid of Hard Water for Good with Georgian Water & Air
Tired of battling hard water stains? Georgian Water & Air provides customized water softening solutions to protect your home and keep your water clean. Our state-of-the-art water softeners prevent stains, improve appliance efficiency, and make cleaning easier.
We proudly serve Barrie, Toronto, the GTA, and surrounding areas with expert installation and a 25-year product warranty.
Contact us today to learn more about our water softening solutions!