What’s the Best Way to Remove Hard Water Stains from Glass Shower Doors?

If you’re cleaning your house and your glass shower doors are looking cloudy or streaky, no matter how often you clean them, hard water stains are likely to blame. These chalky white or foggy spots come from minerals—mostly calcium and magnesium—left behind when water evaporates.

The good news? You don’t have to live with them. Let’s look at the most effective ways to remove hard water stains from shower doors and how to prevent them from coming back.

Why Hard Water Stains Are So Stubborn

Hard water stains aren’t just surface dirt—they’re mineral deposits that actually bond to the glass. Over time, they can etch into the surface, making your shower doors look permanently dull. The longer they sit, the harder they are to remove, which is why regular maintenance and the right cleaning methods matter.

Best Natural DIY Methods to Remove Hard Water Stains

1. White Vinegar and Baking Soda Paste

Mix white vinegar and baking soda to form a thick paste.
Apply it to the stained areas using a sponge or soft cloth.
Let it sit for 15–20 minutes, then scrub gently and rinse with warm water.
Dry with a microfiber cloth for a streak-free finish.

Vinegar helps break down mineral buildup, while baking soda adds a gentle abrasive to lift stains. It’s a great combo for eco-friendly cleaning.

Learn more about the types of vinegar to use for cleaning and why not all vinegars are created equal.

2. Lemon Juice for Light Stains

Lemon juice works well for less severe stains thanks to its natural acidity. Rub a sliced lemon directly onto the glass, let the juice sit for 10 minutes, then rinse and dry.

3. Commercial Hard Water Stain Removers

For tough or long-standing stains, a store-bought cleaner like CLR (Calcium, Lime, Rust) or a specialized glass cleaner may work best. Always test on a small area first and follow label instructions carefully.

Preventing Hard Water Stains in the Future

Once your glass doors are sparkling again, keep them that way with a few simple habits:

Use a squeegee after each shower – It’s quick, easy, and prevents mineral buildup.
Keep a spray bottle of vinegar in the bathroom – Mist the doors regularly for maintenance.
Dry the doors with a microfiber towel – This helps prevent water spots from forming.
Install a water softener – If hard water is a consistent problem, a water softener can significantly reduce mineral content in your home’s water.

Hard water stains can make even the cleanest bathroom feel dingy—but with the right approach, you can restore your glass shower doors to a spotless shine. From natural solutions like vinegar and lemon to expert help when needed, it’s all about consistency and the right technique.

When to Call in the Pros

If you tried every trick in the book and your shower doors are still cloudy, it might be time for a professional touch with CP Cleaning Services in Columbus. We provide detailed bathroom cleaning that targets stubborn stains, including hard water spots, soap scum, and more.

Our team uses safe, effective products to restore clarity to your glass and freshness to your bathroom—without harsh fumes or damage to your fixtures.

What’s the Best Way to Remove Hard Water Stains from Glass Shower Doors?