I'VE USED THE CANS OF SPRAY GAS.....DON'T KNOW IF THIS IS WHAT YOU'RE
TALKING ABOUT,BUT IF IT IS,THEY DON'T SEEM TO IMPART ANYTHING TO THE
TASTE OF THE WINE,JUST PUT A LIGHT SHOT INTO THE BOTTLE AND PUT A
TASTERS CORK IN IT TO PREVENT OXIDATION.WORKS ON CARBOYS WITH EXCESS
HEAD SPACE ALSO,BUT THE CANS ARE PRICEY.