This article provides tips on how to clean glass shower doors and remove hard water stains. It suggests using ingredients like white vinegar, baking soda, and lemon juice to create homemade cleaning solutions. The article emphasizes scrubbing the glass doors gently with a sponge or cloth to avoid scratching them. It also recommends using a squeegee to prevent water stains from building up. By following these cleaning techniques, one can achieve clean and sparkling glass shower doors, free of hard water stains.