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  1. #1
    Senior Member Bottle Master
    Join Date
    Jun 2010
    Posts
    367

    Petroleum jelly or grease inside a bottle

    I have a blob beer which has some kind of jelly or grease inside. At first I figured it might be old content, but when I tried to clean it out, it was sticky and gooey like molasses. Have any of you ran into this before and what did you use to get it out? RC

  2. #2
    Senior Member Bottle Master Harry Pristis's Avatar
    Join Date
    Jul 2003
    Location
    Northcentral Florida
    Posts
    906
    I have seen mineral oil turn gummy and yellowish in the bottom of a bottle. It happens after a few year on a shelf after the bottle has been oiled to mask sick glass. Any common solvent (other than water) will cut the gunk -- mineral spirits, lighter fluid, etc.

  3. #3
    Senior Member Bottle Master
    Join Date
    Jun 2010
    Posts
    367
    Thanks for the reply and will definitely give it a try. RC

  4. #4
    Junior Member New Bottler
    Join Date
    Apr 2009
    Posts
    16
    The toughest cleaner for oil related is acetone



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