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Moisture discolouration

5/14/19       
Bill Member

I have jutoba furniture which was finished with mineral oil. I added bees wax to the oil. Now it discolours with only a hint of moisture. Can I apply something to correct this problem that is compatible with the oil/wax or do I have to do a complete refinish?

5/14/19       #2: Moisture discolouration ...
Shane

My only response to this may upset the internets...…. You didn't finish anything... you made it oily by wiping oil and wax. I'm not sure why so many people are thinking magical fairy dust and unicorns come from doing oil or wax finishes... It offers no protection. Fast forward a few hundred years of coatings we have coatings that beautify, preserve & protect far greater than what was available to our forefathers in finishing. Just because some jack of all trades says oil finishes brings out unicorn rainbows in your custom woodwork doesn't mean its going to hold up to someone's occasional latte spilled on the surface...

5/14/19       #3: Moisture discolouration ...
John Member

I suggest you wipe, wipe, wipe it with a soft rag soaked in genuine mineral spirits or naptha, changing the rag often. This will remove the beeswax and most of the mineral oil should any still be there. Once the wood is truly cleaned you could apply Tung oil, Danish Oil, or a wiping varnish. Tung oil or Danish Oil are the easier to do, and will offer better protection than what you had if you apply several thin coats and buff it off, but a wiping varnish will give you more protection.

John

5/14/19       #4: Moisture discolouration ...
DannyB Member

I'm not sure i'd go as far as Shane, but i'd give a similar answer.

I think it's fine to say oil and wax are finishes and you finished a piece, and that is fine if your goal is just to make it look a little nicer but whatever happens, happens (IE age, wear and tear, spills, etc). They are also easy.

If your goal is to actually protect the furniture from something (UV, water, etc), use something meant to protect it in that way. Oil and wax are really not those things.
That's precisely why we made better finishes.
Additionally, if it was sanely possible to make those finishes be stupidly easy and foolproof to apply, we would have done it by now.
(IE a finish that was as good as a 2k urethane or post-cat varnish, where you just dunked pieces into .a vat and then laid them out to dry and they came out perfect would have taken over the market)

You can't get a free lunch - there is no magic here, only chemistry.
You get to choose your poison.
If you want better results against moisture, your only real recourse is to use better chemistry, and that often comes with more complex ways of applying.

Remove it all with naptha/etc, and put something on there whose chemistry protects your furniture from moisture.

5/16/19       #5: Moisture discolouration ...
rich c.

Nothing is compatible with wax. Mineral oil will never totally dry. If you must use an oil, get something that has driers added so it will harden.


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