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  1. #1
    Join Date
    May 2012
    Location
    Cheyenne, Wyoming, USA
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    1,705

    Default Oxalic Acid ratio - is my math right? Experienced, please check!

    I made up some OA dribble solution. I did 1.4oz of OA crystals to 1 quart of 1:1 syrup. Is this right?

  2. #2
    Join Date
    May 2012
    Location
    Cheyenne, Wyoming, USA
    Posts
    1,705

    Default Re: Oxalic Acid ratio - is my math right? Experienced, please check!

    Also does the mixture ever expire, as in become ineffective?

  3. #3
    Join Date
    Nov 2011
    Location
    Rader, Greene County, Tennessee, USA
    Posts
    4,940

    Default Re: Oxalic Acid ratio - is my math right? Experienced, please check!

    > I did 1.4oz of OA crystals to 1 quart of 1:1 syrup. Is this right?

    That depends on your goal. Your mix is halfway between Randy's "Hot" and "Medium" mix ratios in the table on this page:
    http://scientificbeekeeping.com/oxal...eatment-table/
    Graham
    USDA Zone 7A Elevation 1400 ft

  4. #4
    Join Date
    Apr 2013
    Location
    Vancouver, BC, Canada
    Posts
    726

    Default Re: Oxalic Acid ratio - is my math right? Experienced, please check!

    There was another track recently..Rust Bees issues with these calculations..about OA.

    I think the end result was that 4.2 is fine for anhydrous but you need more if you use dihydrate due to a difference in molecular weight. Check the thread it is explained well...go down towards the end of the thread.

  5. #5
    Join Date
    Mar 2010
    Location
    Walker, Alabama, USA
    Posts
    774

    Default Re: Oxalic Acid ratio - is my math right? Experienced, please check!

    Quote Originally Posted by westernbeekeeper View Post
    Also does the mixture ever expire, as in become ineffective?
    From what I've read, if it isn't refrigerated, then it should be discarded after 24 hours.

    HTH

    Rusty
    Rusty Hills Farm -- home of AQHA A Rusty Zipper & Rusty's Bees ( LC and T)

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