You can either get a professional to repair it or you can refinish it and try to scrub it out.
put water on it
Pledge will remove water stains from wood as well as apply a protective layer to help keep new stains from forming.
I used to work in a factory making furniture so I know that you can use mild soap and water to remove stains from lacquered furniture. Just make sure that you dry off any water with a cloth.
sprinkle baking soda on them or try a water and baking soda solution
You can fix water spots on your dinning table using a number of methods depending on the finish of the table; you can gently buff them using a soft cloth, or a lacquer thinner for lacquer finish.
Water ice, many trillions of tons of it, is a major constituent of Saturn's rings.
water
Linen, a natural fiber, is very easily water stained- just like cotton and wool. Water reacts with the natural fiber to create a slightly, or sometimes significantly, different color. You will need to call a carpet/ upholstery cleaner to come neutralize this effect and get your sofa back to its original color. DO NOT accept a steam cleaning- it will only make matters worse!
White outdoor furniture adds a crisp, clean look to a deck, garden or patio. Maintaining white outdoor furniture may not be as hard as one might think. White wooden furniture can be refreshed by a coat of paint. Resin furnishings stay white if you wash them with a mild soap and water solution. To remove stains, apply a paste of baking soda and water. Let it sit for a few minutes then rinse thoroughly.
One difference between pool patio furniture and regular patio furniture is pool patio furniture is water resistant.
it is in the rings as ice
The rings of Saturn are made almost entirely of water ice.