Mix equal parts white vinegar and water
Spray the solution onto the glass
Let it sit for a few minutes
Wipe with a microfiber cloth
Rinse with clean water
Dry with a lint-free cloth
Use a glass cleaner for light spots
Apply baking soda paste for stubborn spots
Rub gently with a soft sponge
Rinse and dry thoroughly
Use lemon juice on mineral buildup
Buff the glass with newspaper if needed
Repeat the process for heavy buildup
Prevent future spots by drying glass after use