An Easy & Cheap Way to Remove Those Hard Water Stains :: Hometalk
Scrub your tub faucet with a lemon and it will shine like new! This and other natural cleaning wonders.
The Thrifty Home: How to Remove Hard Water- Soak paper towels in vinegar & place them on the areas with hard water. Use a spray bottle filled with vinegar to spray the towels periodically. After about 20+ minutes, take the towels off & scrub off the hard water with an old toothbrush. Repeat and wait an hour if needed.