How To Remove Water Rings From Wood - this worked even on water marks that were YEARS old!
How To Remove Water Stains on Wood!
7 Easy Ways to Remove Water Ring Marks from Wood Furniture « The Secret Yumiverse
6 tricks for removing water rings from wood furniture.
Toilet & Tile pumice stones quickly remove hard water rings without damaging toilet bowls. Ideal for removing toilet bowl rings and stains.
How to Remove Water Rings from Furniture
It Works! Before & After of Using an Iron to Remove Water Rings from Furniture - Apartment Therapy
Quick Fix: Erase Water Rings from Furniture
The Fix - Removing the Rings - Question - NYTimes.com