Take soap sun from my shower door
Have you tried spritzing with white vinegar? Or CLR?
Here are 3 different methods. You might want to get a power scrubber.
Cut a grapefruit in half, cover with kosher salt and use as a scrubber.
Lysol Power Scum cleaner in the blue trigger spray bottle with a Magic Eraser or a scrub brush.
Wet & forget shower for a slower, no scrub solution. You can use 2x a week to accelerate the cleaning process then once a week to keep it clean.
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How to Clean Soap Scum Off Shower Doors | Hometalk