Hi Friends! I'm going to try not to be so long winded in future, but here it is! Tips for cleaning a glass shower door with hard water build up. If you watch to the end, there are before and afters of the shower I cleaned and the glass. There are products links in the video description on YouTube, but I'll go ahead and add them here as well. Lime-A-Way Toilet Gel 2-Pack https://amzn.to/3c6j2z6 Lime-A-Way Spray Foam https://amzn.to/2vgdAsP Bar Keeper Friend (3 Pack) https://amzn.to/37RUV3H Glass Scraper (Razor Blade) https://amzn.to/37RBvMx Microfiber Glass Cleaning Rags https://amzn.to/3a5uh9b Microfiber Soft Cleaning Rags-Amazon brand https://amzn.to/2Pl7yxH Shower Squeegee https://amzn.to/2SUUilJ Black Disposable Cleaning Gloves https://amzn.to/2uqADRc Sprayway Glass Cleaner (2 Pack) https://amzn.to/2VeKhl3 Scotch Brite Green Sponges- Heavy Duty (24 Pack) https://amzn.to/2vfSD0W Dish Scrub Brush (2 Pack) https://amzn.to/2TcIgTF