Natural Furniture Polish: cup olive oil, juice from lemon, 1 tbsp vinegar, drops lemon essential oil. Dip damp rag into furniture polish, then wipe on surface. Buff off with dry towel. Can also polish stainless steel!
There are a couple of ways to remove water marks from wood. White toothpaste seems to have the best results. Simply rub it on with a cloth for a few minutes until you see results. See the full instructions and other methods here.
Simple Tricks to Remove Pesticides From Your Fruits and Vegetables