Your household glass cleaner won’t cut it for hard water stains.

First, a little science!

All city water begins as hard water.

Hard Water Stains on Glass Shower Door

Credit:Douglas Rissing/Getty Images

Hard water, while not dangerous to use, does have its drawbacks.

Andthat’sbecause Windex can’t work on water stains.Why?

Because, to get to truly remove those water spots, you need a highly acidic cleaner.

2019 Idea House Master Bath Shower

Credit: Laurey W. Glenn; Styling: Liz Strong

Household glass cleaners like Windex are formulated to be more gentle on your windows and other glass surfaces.

that can get in there and do your dirty work.

Before Getting Started

Consider the safety of your project.

Ensure you have rubber gloves before starting this process.