Quote:
Originally Posted by Mike Koneski
They also sell an aerosol can that I believe is nitrogen, that you spray into the larger bottle that keeps the finish from hardening. I found it to work well.
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I used to do that for the 30 some years I was heavily into photography. I used the keyboard cleaner gas and topped off developer and fixer bottle after mixing. Very expensive chemicals and some would only last a day or two after mixing. With the gas it would last almost indefinitely. I used it to protect finishes for guitars when stored. My son-in-law bought a fancy/expensive doodad to insert through wine corks that withdrew the wine by gas pressure then sealed the bottle with the inert gas in place. With his taste in wine, I didn't see the need but didn't tell him I have been doing the same thing with wine by shooting in a penny's worth of gas through a small tube and quickly shoving in a cork.
The only thing I never used it on was TruOil. I may be off base but I always favored old TruOil that had been opened and set a while. Over the years, it was not uncommon to use bottles that were years old, dark and thick. Filled faster, faster to build a gloss and more pleasing color for most woods. Just me, but it gave me the finish I wanted. At some point I had to abandon it because it was to hard to smooth out, but I hated to buy a brand new bottle.