For you folks who buy old furniture then paint it…..you really must try this stuff….only a couple of bucks for a 16 oz. can. You mix it (powder) with water to the consistency that you need for your repair. I made mine a little thicker, stuck a few brads, with heads on them, in to the leg (for grip), then molded the leg. I use it instead of wood putty for smaller jobs. It sands beautifully and lasts forever, as you only mix what you need for each job.
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.
Naturally Repair Wood With Vinegar and Canola Oil. So, for a super cheap, use 3/4 cup of oil, add 1/4 cup vinegar. white or apple cider vinegar, mix it in a jar, then rub it into the wood. You don’t need to wipe it off; the wood just soaks it in.