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  1. #11
    Senior Member Bottle Master GLASSHOPPER55's Avatar
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    Feb 2015
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    LaPorte County, Indiana
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    302
    When you immerse the bottle in the mix, fill it inside also and stand it up then pour more mix around it (in a tall container) and cover it. I use a stiff bottle brush inside the bottle. If the gunk is still sticking, immerse longer in the mix. When done, pour the used mix back into your mix bottle-it will turn brown but it is reusable over and over.

    Yes lye can burn you so use rubber gloves and don't breath it (or any mix). Better to be safe. Lye is used widely by soap makers. It's also in oven cleaners (see "sodium hydroxide on labels). It's still much less nasty than muriatic, which left to open air will rust/corrode shiny metal in the room it's in.
    Last edited by GLASSHOPPER55; 08-12-2019 at 04:00 PM.
    "Digging Up the Past --- One Bottle at a Time, Since 1969"

  2. #12
    Senior Member Bottle Master sandchip's Avatar
    Join Date
    Sep 2008
    Location
    Georgia
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    4,297
    I've used muriatic acid for years. Soak the bottle for a day or two and usually the black stuff is just gone. I pour out back into my plastic pan all but an inch or so, pour in an inch of blasting sand and shake it good to get out stubborn spots inside. Insulators did take some scrubbing with a stainless pot scrubber. Use long acid resistant gloves and goggles. Good ventilation outside. Take care not to splash or splatter. My plastic pan has a cover, so I just leave the acid in it, but as Glasshopper said the vapors will corrode any metal in the area, so be particular how and where you store it.
    Last edited by sandchip; 08-12-2019 at 08:00 PM.

  3. #13
    Junior Member New Bottler
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    Aug 2019
    Location
    Massachusetts, USA
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    19
    I appreciate all the warnings, this is all very new to me and I would be bound to make a mistake without it! Thank you

  4. #14
    Junior Member New Bottler
    Join Date
    Aug 2019
    Location
    Massachusetts, USA
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    19
    Btl_Dvr, do you dive for your bottles as well? I am having a hard time finding other folks who do, even outside of this forum. I think I just haven't found the keyword for it yet.

  5. #15
    Member New Bottler
    Join Date
    Aug 2006
    Location
    Selvin, IN.
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    48
    Try putting water & efferdent (denture cleaner) inside the bottles & let them soak for a day or so. I have used this method many times & it has worked well on getting sticky substances & other residue out, along with scrubbing with a wire bottle brush, but let them soak before scrubbing.

  6. #16
    Junior Member New Bottler
    Join Date
    Nov 2017
    Posts
    27
    OXI does a pretty good job if you can leave it soaking for a day. It's not caustic like some of the other suggestions here

  7. #17
    Muriatic acid will eat concrete too, so don't splash it on your patio...
    I've used this before with good results.
    Long Rubber gloves, a splash shield for the face, a full body rubber apron and outside in good ventilation.
    I know maybe a bit of over kill, I like to be cautious.

  8. #18
    Dr. Swett’s root beer.

  9. #19
    Senior Member Bottle Finder
    Join Date
    Mar 2018
    Location
    Connellsville, PA
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    242
    Once you have let it soak in whatever substance you decide on using, put some rice into the bottle and shake it aggressively for about 5-10 minutes. Rice will get to almost every spot inside if you use enough.

  10. #20
    Junior Member New Bottler
    Join Date
    Aug 2019
    Location
    Massachusetts, USA
    Posts
    19
    Quote Originally Posted by Diggerscott View Post
    Dr. Swett’s root beer.
    Quite an unfortunate name for the soda, but it was produced for 115 years, so it must have been pretty good!



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