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  • Paint & Finish Preservation Spray by Bloxygen - 1
  • Paint & Finish Preservation Spray by Bloxygen - 2
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  • Paint & Finish Preservation Spray by Bloxygen - 5

Paint & Finish Preservation Spray

Full Details

  • Made in the USA: San Luis Obispo, CA
  • Materials: Pure argon gas, steel aerosol can, plastic cap, and extension tube
  • Care: Do not expose to heat or temperatures above 120 degrees Fahrenheit
  • Includes: One can that provides 75 uses in quarts or 37 uses in gallons
  • Instructions: Twist the red extension tube into the spray tip. Hold lid closely above container and spray towards side of the container to avoid any splash. Spray for 2 seconds for quarts and 4 seconds for gallons assuming that they are half full. If less than half full, spray for an additional second or two. Close lid immediately and tightly
  • Argon gas creates a blanket over the finish, protecting anything sensitive to oxygen or moisture damage
  • Great for preserving leftover paint, stain, or varnish
  • Inert gas prevents changes in product chemistry during storage
  • Allows you to store leftover finish safely in the original labeled container
  • Helps reduce waste by preserving finish for longer
  • Please note: Full can feels empty. Works best with oil-based finishes. Lacquer finishes and latex paints will not benefit
  • Warning: Always wear safety glasses. Contents under pressure, do not puncture or incinerate. Use only as directed. Keep out of reach of children
  • Dimensions: 3" x 3" x 9.5"
  • Weight: 0.25 lb


Made in the USA

Paint & Finish Preservation Spray

starting at $9.56 $11.95
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Argon gas makes for a better approach to leftover paint storage. It keeps oil-based paints, varnishes, and stains in freshly-opened-can shape and looking like new. A spray of argon gas creates a barrier between the liquid and the air inside an open can. This prevents the finish from curing, yellowing, or skinning-over. Argon is non-toxic, non-flammable, and inert, so it won’t react to other chemicals.
Made in the USA


Argon gas is a better, non-toxic approach to leftover paint storage. Bloxygen harnesses argon gas in a spray can so you can keep oil-based paints, varnishes, and stains from curing—or yellowing—over time.

Exposure to air is what causes these finishes to break down, which is where Bloxygen comes in. Spray it inside an open can and the argon gas lays atop the liquid, creating a barrier against air in the can. (Argon is heavier than oxygen.) The gas is inert so it won’t react with other chemicals and it’s non-flammable, too.

Maker Steve Zawalick researched, tinkered, and even checked in with a NASA-funded makers program when creating Bloxygen. Steve is a woodworker and nuclear engineer, so he was well-suited to tackle this scientific approach to preserving finishes.