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Bloxygen Leftover Finish Preservative 0.41 oz can


Bloxygen Leftover Finish Preservative 0.41 oz can

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Product Description

Did your leftovers turn to goo? Skin over? Bloxygen is a pressurized can of inert gas that prevents oxygen or moisture damage during storage.  Preserve and use every drop; just spray, seal, and store.

During storage, the oxygen or moisture that's sealed in the container continues to cure and thicken your finish, ruining the leftovers.  This is wasteful, time consuming, and messy.  Sometimes, hardened particles can clog spray guns, run the final finish, or destroy the remaining liquid.  

In the USA alone, the EPA showed that about 65 to 69 million gallons of paint are thrown away each year, and about 15% of that is oil-based. That's a line of quart cans from Los Angeles to New York tossed out each year. Each can of Bloxygen can prevent SEVENTY FIVE quarts from oxygen or moisture damage.

By using a heavy blanket of protective inert gas to purge the container, you can store your finish safely and use ALL your finish, not just the first half.

HOW DOES IT WORK? Bloxygen uses ultra pure Argon, a powerful and natural inert gas to drive the oxygen and moisture out of your container. Simply blow the oxygen out of your container with Bloxygen and then seal the lid. The heavy, inert Bloxygen gas sinks down to block oxygen from the liquid surface. Because Bloxygen is heavier than air, it will separate the liquid surface from any air that may remain in the container.


  • Use all your finish, not just the first half
  • Eliminate spray gun clogs and jams
  • Reduce your hazardous waste / product loss
  • Avoid paying a premium for small volumes of finish
  • Improve the quality of the final application
  • Prevent changes in product chemistry during storage
  • Save time by making finishing projects easier and cleaner
  • Store your leftovers safely, in the original, labeled container

Use Bloxygen any time you are storing:

Oil Based Paint Stain Oil-based Inks and Stains
Varnish Urethane Polished Metals
Polyurethane Printing Chemicals Gunpowder
Catalysts Auto Body Chemicals and Coatings Liquor
Photo Chemicals Furniture Refinishing Chemicals Chemical Compounds
Wine Fuel Additives Coffee
Marine Coatings Glue Guacamole
Tung Oil Epoxy


Latex? Bloxygen will not help with problems in water-based finishes or lacquer.  These products don't cure via oxygen absorption. In our experience, using a spray bottle of water and spritzing the inside of the can and underside of the lid helps latex during storage.


Bloxygen stands for "Blocks Oxygen." Pronounced BLOCKS-a-JEN, this product uses heavy, inert argon to shield leftover finishes so they won't gel or skin over.

What about other solutions?  For years this problem has frustrated woodworkers and finishers. Of all the attempts to solve this problem (see below) none we've seen are as quick, as safe, or as successful.


  • What about marbles? Some folks try to eliminate the air space in their container by throwing marbles or rocks in the liquid. In addition to contaminating their product, they often find that cleaning the marbles results in lots of wasted time and product.
  • What about a smaller container? Transferring your liquid to a smaller container will reduce the air space, but you'll still have oxygen in there. Since the labeling was on the original container, tracking the instruction labels and warnings could be a problem.
  • What about exhaling into the container? As scuba divers or paramedics know, the air we exhale is NOT oxygen free. We inhale 21% oxygen and exhale about 15% oxygen.
  • What about tipping the container over? Storing your leftovers upside down will only guarantee that the skin will form on the "bottom" of the liquid. Your finish will still be ruined.  
  • CO2? We use ultra pure Argon because it's totally inert.  CO2 is okay, but it's not totally inert and will react with water to form carbonic acid.  If you want to liquify CO2, you need a stronger container than an aerosol can...think paintball or BB gun.  They are thicker steel.  A container with liquid and gaseous CO2 is about 870psi at room temp. 
  • What about Air Dusters?  The compressed gas dusters contain difluoroethane CAS #75-37-6 which is flammable when concentrated in a fuel/air concentration of 5.1-17.1% by volume.  Inert gases do not burn.  Given that this is NOT an inert gas, no sound prediction can be made about the effect it will have on the millions of different finishes out there.
  • What about Propane?  No.  Just NO.  This is dangerous.


Does it last?  Yes.  With an infinite shelf life, each can will provide about 150 seconds of gas. That's enough gas for 75 uses in quarts. Given that a quart of premium varnish can cost $40 or more, saving just one half of one quart will pay for your Bloxygen. The additional 74 uses are "free."

Argon? Bloxygen uses ultra pure argon. This gas is a natural component of our air and the third most common gas on Earth at (about 1%). A full can, because it contains only a gas, feels empty. The gas is non-toxic, non-flammable, and inert. Deliberately misusing Bloxygen by concentrating and inhaling it can result in rapid suffocation, asphyxiation, and perhaps death due to lack of oxygen. There are no CFCs, VOCs, or added propellents.  It's totally natural. 





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