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  1. #1
    Join Date
    Nov 2018
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    Newcastle
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    Default Storing finishes? Stopping stoff going off

    What are people using to store finishes/varnishes/paints after opening the original container?

    Is there some cunning airtight/air-free container out there? I have some pricey FW Floorseal oil which I know goes off, so I'd like to put it into some smaller containers that I can store longer term, and use one by one...

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  3. #2
    Join Date
    Mar 2009
    Location
    Sydney
    Age
    32
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    2,378

    Default Storing finishes? Stopping stoff going off

    Google “stop loss bags”. Been using them for a few years now and they work well.

    Edit, here they are. I got mine from Lee Valley but looks like they now stock them here: Stop Loss Bags - StopLossBags

  4. #3
    Join Date
    Nov 2018
    Location
    Newcastle
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    209

    Default

    Thanks G - those are the wee beasties I heard someone chatting about . Looks like they'll be perfect.

  5. #4
    Join Date
    Feb 2018
    Location
    Shepparton
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    147

    Default

    Carbatec used to have bags to store product in once opened I have stored MinWax finish for probably two years so far still good to use.

  6. #5
    Join Date
    Nov 2018
    Location
    Newcastle
    Posts
    209

    Default

    Carbatec seem to be selling the add on bits like funnels, but not the bags themselves.

    I've ordered direct from the US manufacturer. Dispatched within an hour or two of ordering.

  7. #6
    Join Date
    Feb 2018
    Location
    Shepparton
    Posts
    147

    Default

    yep online search was the same bugger not having the storage bags as well

  8. #7
    Join Date
    Nov 2018
    Location
    Newcastle
    Posts
    209

    Default

    I got 8 bags, a funnel (although I suspect any funnel will do), and a few spare lids for US$44 including delivery from the States. Which is about the same price as the bags alone + delivery from the locals.

  9. #8
    Join Date
    Feb 2006
    Location
    Perth
    Posts
    23,131

    Default

    Here's a tip I have heard about that I use with glue but have not tried it with finishes.
    If you have a TIG welder that uses Argon gas you can easily displace the air in a can with a shot of Ar.
    Ar is inert so the glue and paint should not react with it and it won't form a skin or degrade.

  10. #9
    Join Date
    Oct 2015
    Location
    Australia
    Posts
    195

    Default

    Works for wine too!

    Russ

  11. #10
    Join Date
    Feb 2006
    Location
    Perth
    Posts
    23,131

    Default

    Quote Originally Posted by russ57 View Post
    Works for wine too!

    Russ
    And coffee beans - reduces the rate at which they dry out and go rancid.

  12. #11
    Join Date
    Mar 2010
    Location
    US
    Posts
    1,250

    Default

    I have house made varnish (which is notoriously short lived - a couple of months of shelf life) in the stop loss bags, and it seems after about 6 months or so to be the same as new.

    House made meaning made in my back yard by heating resins and oils until they bond (which is about 600 degrees F).

  13. #12
    Join Date
    Nov 2009
    Location
    Canberra
    Posts
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    Default

    I think one answer might be to store varnish upside down. Then any skin that forms will be at the bottom.

  14. #13
    Join Date
    Feb 2016
    Location
    Canberra
    Posts
    2,574

    Default

    Argon gas!

    Big bottle at Bunnings for $40. Lasts forever...

    Same as Bloxygen. It's apparently "ultra pure"... Whatever that means.

    It's funny, I was reading about the compressed-air industry only last week. Oxygen, nitrogen, etc.... It's really quite interesting.

    Edit: forgot to mention my mates at GasWeld. Awesome shop, well worth the time to look around: https://www.gasweld.com.au/shop-by-b...ze-pony-175676

  15. #14
    Join Date
    May 2012
    Location
    Melb
    Posts
    417

    Default

    Those bags might be perfect for my Cabots Danish oil, I lose a tin every couple years when it spontaneously decides to turn to gel!

  16. #15
    Join Date
    Feb 2012
    Location
    Hoddles Creek
    Posts
    56

    Default

    Another trick I've heard but haven't tried yet is adding marbles to the container after each use. This brings the liquid level back up to the lid level thus expelling most of the air. Marbles don't cost much either. Ball bearings would also do the trick.

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