There are numerous natural and chemical agents that can act as a water stain remover. Some are quite useful in getting rid of iron, calcium deposits and other metals that water leaves on solid surfaces. Before using any water stain remover, consider the fabric involved. Delicate surfaces might be damaged further by acidic cleaners bought from the store. A natural agent such as vinegar can even cause damages on other types of material. The best thing to do is use a water stain remover that works bests on the surface or material involved.
If you are uncertain about the type of fabric that needs to be cleaned, you should seek the advice of a fabric expert such as a dry cleaner or tailor.
Water stains on fabrics are usually caused by the displacing of finishing agents used in garments. Water displaces the agents and causes them to create rings on the surface of the material. To remove water stains from fabrics such as Acrylic Fabric, Acetate, Fiberglass, Linen, Cotton, Carpet (wool or synthetic), Olefin, Rayon, Nylon, Polyester, Spandex, Wool, Silk or Triacetate, moisten the whole area with water and let it dry. You can also remove water stains by putting the area up to the steam of a kettle at boiling. The garment can be pressed while it is still moist as long as the material is safe for ironing.
Water stains on silver can be eliminated with hot and soapy water. Just use a soft and clean cloth to rinse and dry right away after cleaning.
Water stains on wood can be eliminated by rubbing non-gel toothpaste directly on the stain. Remove the toothpaste with a clean cloth afterwards. You can also cover the stain with a clean cloth and press an iron over the cloth to get rid of the water stain from the wood.
To remove water stain on stone surfaces such as granite, masonry, limestone and concrete, mix washing detergent and water. Scrub the water stain using a brush or cloth. Rinse well and allow it to dry afterwards.
To get rid of water stains from household surfaces such as Aluminum, Asphalt, Acrylic Plastic, Chromium, Cork, Ceramic Glass/Tile, Copper, Plexiglas, Linoleum, Pain (glossy or flat), Porcelain Dishes, Polyurethane, Tin, Porcelain Fixtures, Stainless Steel, Vinyl Tile, Vinyl Wall coverings or Vinyl Clothing, add a small amount of white vinegar to warm water. Immerse a sponge or cloth in the mixture and use it to wipe the stain. Rinse it properly and allow it to dry.
To get rid of water stains on leather or suede, dip a cloth in warm water and rub the stain in a circular motion beginning at the inside portion of the stain. Soften the leather with saddle soap and add a small amount of denatured alcohol to help eliminate the stain. Rinse it by patting with a damp cloth on the area; let it dry.