View How To Remove Hard Water Stains From Tiles Images. Simply spray the lemon juice onto the stain, or soak a rag or sponge in the juice, and scrub the area until the stain is lifted. Leave the paste on the stain for 15 minutes, then rub gently.
And how to prevent new ones from forming.
Toothpaste often will do the trick, though. A dark water stain is harder to remove. Here's how to remove them. Use the best rust stain remover solution that removes stains easily without damaging the shine.