How to Remove Hard-Water Stains on a Granite-Composite Sink

As with many stains, the best way to deal with hard-water stains on a granite-composite sink is to avoid them altogether. If you know you have hard water, wipe the sink dry after every use. If you do find yourself with hard-water stains on the sink, be very cautious, as most chemical cleaners -- and even some natural cleaners -- can potentially damage granite composite.

Microfiber cloth
Mild soap
Soft sponge
Isopropyl alcohol

Instructions

- 1
  Wipe the stains with a damp -- not wet -- microfiber cloth. The microfiber may be enough to remove minor hard-water stains.
- 2
  Moisten a soft sponge and add few drops of a mild soap; you can use a lotion-free dish or hand soap. Squeeze the sponge into a lather and gently scrub the stains. Rinse.
- 3
  Lightly moisten a corner of a microfiber cloth with isopropyl alcohol and wipe the water-stained area. Wipe off the alcohol with a dry area of the microfiber cloth.

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