The best way to remove well water stains? Don’t let them land in the first place. After cleaning, dry your sinks and shower walls with a microfiber cloth. It takes ten seconds and prevents that rusty film from ever settling.
How to Remove Rust Stains, Well Water Stains - YouTube
Also, consider a water softener or a whole-house iron filter. It’s an investment, but imagine never scrubbing rust again. That’s the dream, and it’s totally achievable.