Recipe for removing Water Stains and marks from furniture:
Mix the olive oil and the salt in a bowl to make a thick paste. The salt draws out the moisture, and the olive oil feeds the wood. And it is magical. Then, simply rub the paste onto the damaged area. I made mine pretty thick, and just sat it on the areas where I had damage. Leave sit for approximately :30 minutes, and wipe all excess paste off of furniture. All of the stains will magically be gone!
Look at the results! The stains are virtually gone.