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  1. Replies
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    Re: OXV for testing mite loads?

    What are you talking about? Check this out
    http://scientificbeekeeping.com/oxalic-acid-heat-vaporization-and-other-methods-part-2-of-2-parts/
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    Re: Discovery of OAV

    I know Russian beekeepers that used oxalic acid since 1982, that mean they are started much earlier.

    There is an at least 15 years old website from a German distributor with a picture from a...
  3. Thread: Shim for OAV

    by Axtmann
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    Re: Shim for OAV

    I had the same problem with the varrox, it takes too long to evaporate the acid. Put an electric iron on a board for 3 minutes and you have scored wood, not after one minute.
    There are other, three...
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    Re: oav and moisture quilt

    After evaporating OA you can see the acid on your bees for a while (bees are gray). After a while this is gone, it doesn’t mean the bees carried the acid out of the hive. If the self called OA...
  5. Re: Anybody Using the vmvaporizer to treat for mites?

    Shinbone, I don't agree with you. Some honey in untreated hives contains more oxalic acid than honey in treated hives, depends on the plants where the bees collect the honey. Oxalic acid is a...
  6. Thread: Spritzing OA

    by Axtmann
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    Re: Spritzing OA

    1/2 cup, if this is 125ml water + 10.5grams oxalic acid... is an exccelent way to kill your bees.
  7. Re: How many times can I treat with Oxalic Acid per year without hurting the bees?

    you should go for an professional vaporizer, this one is leaking ...it's garbage.
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    Re: Oxalic Acid Vaporization - Questions and Answers

    The outside layer of the cluster get covert with OA fog, but how can this bees survive the winter? They have to go inside the cluster to warm up and the fine acid in the hair of the bees is every...
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    Re: Oxalic Acid Vaporization - Questions and Answers

    I also use the JB200 Heiliser. I had a varrox but it burned out and I could not get it repaired, the supplier told me to by a new one. OK I ordered two JB200 and I have them now for several years...
  10. Re: Electric Heat Gun for "burning" out used hives?

    I would never go for used hives or frames. Take one for a sample and build your own if you don't have the money.
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    Re: oxolic acid treatment question

    Check your pipe, if there is white powder left, it is ash and you overheated the acid. There always some smoke coming out but you destroyed the acid.
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    Re: oxolic acid treatment question

    That's only have true. No harm to brood, bees or queen is true. It affects the uncapped honey but not the cupped honey.
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    Re: Spring OAV treatment in NorCal?

    Spraying bees with OA is the best way to kill them self and not the mites. The spray will hit the combs or the bees and rebound, the fine drops are everywhere in the air. Don't use this way, trickle...
  14. Re: Are drone bees fertile right after hatching?

    Drones producing semen approx 20 - 22 days after hatching. The best quality of semen have drones the first 12 days. After 12 days, the quality goes down and rapidly. If you like to rays queens, there...
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    Re: Oxalic Acid question

    Spraying OA is a good way to kill the beekeeper too. There is the highest concentration of acid in the air.
    Tell your neighbor to stay inside when you spray, if your hives are in the city.
    You can...
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    Re: Oxalic Acid Vaporization - Questions and Answers

    http://www.honeybeeworld.com/diary/files/__www.mellifera.de_engl2.pdf
    Here you will find the answer.
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    Re: Oxalic Acid Vaporization - Questions and Answers

    So far, no answer about MRL on OA and thymol from the smart guys on this news group. Everybody talks how danger it is to use and the danger of the residue in honey. Where do you have your knowledge...
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    Re: Oxalic Acid Vaporization - Questions and Answers

    Questions on all.

    As OA is an natural ingredient in honey, what is the MRL of OA in honey? If bees bring already an overdose OA from some plants in the hive, who can proof it is from the bees and...
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    Re: Any problems with your commercial vaporizor?

    I would not use a copper pan to heat OA. There is a chemical reaction with copper and you will get poison in your hive and honey.

    If you heat up OA in a pipe, make it very slow with your torch. To...
  20. Thread: Essential Oils

    by Axtmann
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    Re: Essential Oils

    Thymol is an essential oil and you can't solve it or mix it in syrup It always floats on top. Last year, got an ready to use Thymol powder, from our distributor, with something in it and it mix even...
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    Re: Spring OAV treatment in NorCal?

    Believe it or not, you should not give an advice using OAV in spring. It's not a good idea, except if you are selling the vaporizer. The beginners think every is OK after the treatment, but most of...
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    Re: Apivar: low results

    The guy was steady filling in thymol after he find so many mites. I think, he used thymol crystal and who knows how old the crystals are. Thymol should not be older than approx. 3 years, and the best...
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    Re: Oxalic Acid Vaporizer Results - Users post here!

    You might check this, it give you the answer. There is no MRL on oxalic acid in honey.

    http://www.moraybeedinosaurs.co.uk/Varroa/vaporisation_of_oxalic_acid_in_b.htm
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    Re: Different Oxalic Acid Vaporizers

    Why should I banned from here and I don't know, why you are so upset? I clearly said "without the bar on the handle". If you call this a stabiliser it is fine. I'm not clearly favours German product,...
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    Different Oxalic Acid Vaporizers

    Different Oxalic Acid Vaporizers

    Recirculation-Vaporizer = from Germany, result very good but to slow and too complicated for a big bee yard. Works like the Oxamat vaporizer. ...
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