Spray the glass with white vinegar and let it sit for 10–15 minutes
Scrub with a non-scratch sponge or microfiber cloth
Rinse with warm water
Mix baking soda with a little water to make a paste
Apply the paste to stubborn spots and scrub gently
Rinse thoroughly and dry with a clean microfiber cloth
Use a commercial hard water stain remover if vinegar and baking soda do not work
Apply the cleaner according to the label instructions
Scrub with a soft cloth or sponge
Rinse well and dry completely
Use a magic eraser on tough buildup, testing a small area first
Squeegee the doors after every shower to prevent new stains
Wipe the glass dry regularly with a microfiber cloth
Apply a glass protectant or rain repellent to help reduce future buildup
Clean the doors weekly to keep hard water stains from returning