How To Use A Oxalic Acid Wand/ Treating With OAV

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Learn how to do Oxalic acid vaporizer treatment (OAV) and knock down your mite count. In this video, I show step by step how to use an oxalic acid vaporizer wand. The procedure is about the same with a Provap.
~Treatment Timing Sequence~
Treatment Stage: 2 min. 30 sec.
Power Off Stage: 2 min.
Wand Removed/Hive sealed Finishing Stage: 10 min.
Tips:
-Morning/ Evening treatments are best
-Remove or block off honey supers
-Treat each colony at least 3 times, spacing out treatments 5 to 7 days apart
-Be very careful with wand as it gets very hot
Beesource Article Referencing Spacing of Treatment Days: www.beesource.com/forums/show...
Randy Oliver Article Showing OAV Kill Rate Chart: scientificbeekeeping.com/oxali...
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OAV Products Used:
www.amazon.com/shop/jcshoneyb...
Homemade Provap: • Building A Homemade Pr...
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Опубликовано:

7 сен 2019

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Комментарии : 155

@CraigYOW 9 месяцев назад

Thank you for helping all of us beekeeping around the world! Great information!

@JCsBees 9 месяцев назад

So nice of you!

@med1pilot1956 18 дней назад

One of the easier videos to understand and learn from. Thanks for taking the time to put it together

@Makermook 3 года назад

You present this stuff in such an easily understood way. It's early December here in the midsouth, so I'm getting ready to treat my hives heading into winter proper.

@SmallTNHomestead 4 года назад

Thank you for explaining in such detail.

@carolinasunfarms8562 4 года назад

Thank you so much for video! It really helped me with bottom board change out for treatment! I had a similar problem and wasn’t sure how to safely get wand in hive! I really appreciate your videos

@richardkuhn8115 4 года назад

Great informative video. A word to the wise is sufficient! Thanks Jason.

@billharold7669 4 года назад

Great video keep them coming from a grateful Canadian!

@nagendraghimire7851 3 года назад

Very well explained.Thank you for sharing.

@billmitchell7731 4 года назад

Good video. Your the first bee keeper to show us how to vape them👍👍👍

@TheFarmacySeedsNetwork 4 года назад

Good details and information. Thanks!

@TheTrooperGirl 4 года назад

you're so Awsome! thank you so much for all the help that you provide to us new beekers.

@scottmarshall6766 4 года назад

Start time, wait until 2:30, connect wires. I agree completely with letting the tool air cool. Good video.

@cathymontgomery7295 4 года назад

Just got bees again after a 2 year break. Last time I had my bees treated I had someone else do it. This time I did it myself. Your instructions made it easy. Thanks

@JCsBees 4 года назад

Great job!

@juliocesarnieto2281 3 года назад

Excellent video friend ! It's going to be useful for my treatment in my hives thank you so much you have a new subscriber

@joe20305 4 года назад

Jason - Thanks man. Perfect.

@KarenS-vk5bs 11 месяцев назад

Thank you

@trichard5106 4 года назад

Thanks !!

@kellyhawk822 4 года назад

you described things the easy way to understand

@JCsBees 4 года назад

That's what I always aim to do, make things easy to understand.

@pauldow1648 4 года назад

My bottom boards use #8 mesh. There is 1/4 space underneath the mesh. This allows for sliding in a piece of oiled poster board during treatment so as to catch the dead mites. This gives some notion as to how light or heavy the mite load is or how effective your treatments are. Hth. Thanks J.

@bunhelsingslegacy3549 20 дней назад

Thanks for comfirming that most of how I figured it was supposed to work was correct! I never remember how long to leave mine hooked up to our battery booster (easier to carry than car battery and plugs in where the electric fence does) so every time before I stick it in a hive, I do a test burn with a timer, I think last time I did it was only a minute and a half for everything to be gone, then I leave it in for at least that long just to make sure, then remove the wand and leave them sealed in with it while I get ready for the next one. I also have done test burns on wood and paper and my wand doesn't get hot enough to scorch anything. I do often wind up with dead bees in the little cup when I pull it out though so I've thought about making a screened lid for the wand. I like your idea of swapping the bottom boards for your nucs, but couldn't you just pop the whole nuc, screened bottom and all, on top of that bottom board and have the OAV come up through the existing screened bottom board and not have to detach it? I've had to reconfigure a few of our hives (flip the bottom board upside down, essentially) because the bottom boards were too short to allow my wand in, and on our full sized ones with screened bottom boards I found the wand got caught on the screening when I slid it in. We also use entrance reducers for a lot of the year (ie any time there could be robbing, or for any new colony just establishing itself so the larger hives don't Get Ideas) so I try to make sure the ones I make have an opening big enough for the wand. If we ever get bigger than a dozen hives, I think we'll have to invest in a ProVap though, much quicker and easier from what I've seen.

@tonywestsbees6042 4 года назад

Easy to understand video for those that have no idea where to begin! I started our OAV treatments last month. I try to do our treatments in the evenings to get most of the bees. Mid day still gets the nurse bees treated. I use a wand type like you show but as you say, once you get past 8-10 hives/NUCs, it gets drawn out and slow. Another point is many bottom boards only have a 3/8" rim/opening and most OAV wands will not fit in the opening. OAV is easy to use and works! Make sure to use safety equipment.

@JCsBees 4 года назад

@Tony West First let me say how nice it is to see you in the comments. I remember you keeping me in the loop last fall about your mite counts, it was very interesting to follow along. Good point about the bottom boards, never gave that much though and I should have. And yes everyone should wear safety equipment even the teacher in this video. All I can say is do as I preach not as I do. lol

@mikesbeesllc 4 года назад

Thanks Jason. I quit using the wand and bought the JohnO ez vap. Just like the pro vap only a lot lower price and works great.

@PhillipHall01 4 года назад

I have been hearing alot about the JohnO ez vap. are you happy with it?

@mikesbeesllc 4 года назад

@@PhillipHall01 Has worked great. John is a great guy as well. I have never met him but I accidentally through my cups in the trash. He sent me new ones free of charge.

@Makermook 3 года назад

I appreciate your effort to make a clear instructional video like this. I do have a question: At the beginning of this video, you mentioned robbing and big hives vs your nucs. I have a typical Langstroth hive, kind of big, etc. I've built a couple mini hives that I'm going to put package bees into in the spring. Is it a given that the big colony will try to rob the smaller colonies? Or will a strong, but small, colony be able to keep the raiders at bay?

@michelleburrage1251 3 года назад

Thought your card with the steps written out was a great idea....easy to forget the proper steps when in the process.

@badassbees3680 4 года назад

Funny how my wand fires and done in 2.5 minutes but it takes half a day to do hives, I have started adding another scoop to make up for leaks ,no problems yet and been doing it since last fall.Good Video as Always

@JCsBees 4 года назад

Yes, it's surely a time hog. I prefer my Provap over the wand any day.

@badassbees3680 4 года назад

@@JCsBees I bet!!! I can't believe you built one,that's awesome.I have a nuc that needs treated,but JUST hatched Queen and not comfortable doing it until she starts laying, Im afraid they may abscond,prob not?? I treated with cell , but prefer to wait now..

@JCsBees 4 года назад

Probably not a bad idea to wait.

@Keith-xc9wf 3 года назад

U rock ! 😎

@FloryJohann 3 года назад

I made mine and i have an extension cord on it. Whatever time I use to heat the wand up , is the same time after heating it up that I leave it in the hive. If it takes 4 minutes to evaporate the OA then I leave it an additional 4 minutes inside the hive. Any more time does not do anything except wast time. The wand heats the OA which goes into a vapor state and the OA vapor will leave the hot wand. At this point the wand is done with its job of delivering the OA acid into the air. The OA acid will cool down very fast and will crystallize again in a fine powdery substance which will settle on anything that is cooler than the evaporation point of the OA.

@colinmccready8293 4 года назад

Good video, I use similar bottom boards to seal off my hives when treating. I found that I had to remove the metal plate as the wand was wasting energy heating it and in one case the wand shorted after the terminals grounded on the plate

@johnboyle4062 2 года назад

Use a slate

@alexpaulson4597 4 года назад

Very nice! I guess I didn't realize there was a 10 minute wait in the end. Clever idea about feeding too! Distract `em with that steakhouse flavor!! :)

@josezeke8808 2 года назад

I dont mean to be so offtopic but does someone know a method to log back into an Instagram account..? I somehow forgot my password. I would appreciate any tricks you can give me

@ianaryan233 2 года назад

@Jose Zeke Instablaster :)

@josezeke8808 2 года назад

@Ian Aryan thanks for your reply. I found the site thru google and I'm in the hacking process now. I see it takes a while so I will reply here later with my results.

@josezeke8808 2 года назад

@Ian Aryan DAMN IT REALLY WORKED :O Literally hacked my instagram password within roughly 30 minutes of using the site. Thanks so much, you saved my account !

@ianaryan233 2 года назад

@Jose Zeke Happy to help xD

@hobonickel 4 года назад

Oxalic acid vapors can damage your lungs if you breathe them in. You should be wearing a respirator (rated for organic acid vapors) when doing an OAV treatment. Eye protection would also be a good idea.

@RaySarasin 4 года назад

Treating this way in about 2 weeks or so still winter here yet

@masterbeekeeper30years18 3 года назад

Hi J.C. There is a beekeeper on RU-vid named Binnie. He recently said that OAV treatments spaced as you show here (very nicely I might add), are flat wrong and "not even close" in controlling varroa. I'm in disagreement with his premise and think you are correct with the 7-day periodicity. How are you proving your results? And do you agree with going off-label on treatments? I am of the school of thought that approved methods must be strictly adhered to regarding treatment cycles and other parameters. Looking forward to your opinion. I thoroughly enjoy your practical approach, largely because I agree with you. Bob Binnie is the gentleman I'm referring to.

@PhillipHall01 4 года назад

Thanks for the video Jason. I am anticipating you answer to setting the PID on your homemade pro type vaporizer. I have done as you have suggested with a slight few modifications and need to know the most import part, how to set up the ink bird. I am at the same point as you are, or were with this problem. Thanks, and keep up the good videos. Phillip Hall

@JCsBees 4 года назад

@phillip hall I played around with it more and realized I did not calibrate my k type thermo-couple. So I changed the PID temp to 120°f and added some water to the cook pot. I also set a thermometer in the water. After the cook pot heated up there was roughly 15 degrees difference in readings between PID and thermometer. So I went into the PID under "IP"mode then went to "SC" setting and set mine for -15°f. That has helped a bunch. I will share a video very soon on all I have done it hopes it helps.

@PhillipHall01 4 года назад

Thanks Jason, I really appreciate you telling me. And yes please make a another video. on this. I had some information where a fellow had posted the PID settings on a similar home made set up. I have not tried it because I have been sticking with your plan. I will check and see if I I can find this and if I do I will get it back to you. Maybe it will work for ours I don’t know. Keep up the good work.... Update: I found it Jason, I do not know if this will help or not but here it is. P-100 I-135. D-17. Let me know please sir. Thanks again, Phillip

@JCsBees 4 года назад

I will give this a try in the next few days and get back to you, Thanks for sharing!

@PhillipHall01 4 года назад

Jason I forgot to mention those PID settings were Celsius, sorry I hope this did not cause any confusion. Phillip

@JCsBees 4 года назад

@phillip hall That is good to know. I tried entering them yesterday and notice a negative value is not possible. When you try to go lower than 0 it resets to 9999.

@stephen26448 4 года назад

i have an used hive because my bees didn't make it through the winter . can i add a package to this hive without cleaning off the frames with comb on them and can i treat this hive before adding package in march or april just in case it has mites in it. and what can i do to stop wax moths

@tywilson64 Год назад

I was able to treat hives during those warm days here in maine( Temps above 50) but I couldn't complete the two more treatments within 5- 7 days due to the drop and temperature. IF and when the Temps rise abit,should I start over with the three treatments 5-7 days?

@frankspataro9714 4 года назад

Jason you ever think of just setting the hive on your extra bottom since your screened bottom board would allow the vapor right up through just a thought

@JCsBees 4 года назад

Yes and I do that will some of them but this hives bottom board doesn't have any feet so it wouldn't sit very stable. Nice to see your thinking outside the box though! Thanks for suggestion. I don't plan to use the wand if I can keep from it, I'd rather use my Provap.

@mark-wn5ek 4 года назад

I'd like to have that stile your feeder is sitting on

@randalpowers9785 3 года назад

Can you put supers right back on immediately after treatment?

@robertwilkey8178 Год назад

Hi JC. I'm a new beekeeper in training this year. I was wondering how many series of 3 treatments for mites do you do per season? Also can you tell me if it's a good idea to feed bees in June in north east Georgia? Any help is greatly appreciated bc I have no mentor, it's RU-vid books and an occasional question to different beekeepers. Thanks, Bobby W

@j.d.8075 4 года назад

Watching this, made me very thankful to be in Aus and not having to deal with varroa

@JCsBees 4 года назад

Yes your very lucky! They are a pain in the butt to deal with.

@j.d.8075 4 года назад

@@JCsBees I am sure one day they shall be an issue here though...

@JCsBees 4 года назад

I hope it's many, many years before that happens.

@Hives2honeyfarm 4 года назад

J. Donoghue you may have them sooner than you think. I know an Aussie stocking up on Vapes to be ready to make a ton of $$$.

@j.d.8075 4 года назад

@@Hives2honeyfarm I can believe that :D

@planbeeapiaries 4 года назад

Is the difference between dry OA and alcohol solution vaporizer just the cost or something else?

@j.johnson2792 2 года назад

Have you tried the OA sponges Randy Oliver talks about?

@marielg9143 2 года назад

wow

@robdermott361 3 года назад

How early in the spring would you treat with oa?

@jaminparker929 2 года назад

will the bees clean the dead mites out of the hive?

@oneshoo 4 года назад

Jason I have 2 hives and I still have my honey supers on. I drive the bees down using a fume board and then slide a piece of plexiglass between the super and the upper brood box. When done treating i just slide out the plexi and move on.

@JCsBees 4 года назад

Nice! I bet plexiglass works well.

@expressmobileservicesllc.480 Год назад

Fantastic video! Thank you for taking time to share this with us new bee keepers!

@JCsBees Год назад

Glad you enjoyed it!

@timhelmle8377 Год назад

Jc, I’ve been a long time watcher and think you have great content. I have a question that just came up, it’s about rendered wax. A lot of this was brood comb and I used a double boiler. My wax came out near milk chocolate brown, it’s not burnt and smells really good. Can you tell me why it would be dark but clean?

@JCsBees Год назад

Thanks, glad you've enjoyed my content. I have noticed the dark wax too from brood comb. I think all the life cycles of brood comb stains the wax making it darker. It doesn't matter how many time you clean it it will NOT ever get as clean as wax capping. I like to use the darker brood comb wax for coating plastic foundation.

@beebob1279 4 года назад

I used Apivar this May and June on new packages. It didn't touch the mites. I then went to Apiguard which I've used for years. It didn't touch the mites. I'm now starting my oxalic acid vaporization. I'm following the every five days routine. No choice. I've got mite loads in new packages at 4 per 100 on average. Now I've got to get hard core on them.

@PhillipHall01 4 года назад

I sure would like to know your results when you are finished. Phillip Hall

@FloryJohann 3 года назад

Last year I done OA 1 time a month since I knew that I do not get honey and then late summer I used Apivar. This year I used Apiguard with OA 5 days apart and 5 treatments. You gotta rotate your guns to let them cool off or your mites get resistant to it. And sometimes you just have to try different combinations.

@beebob1279 3 года назад

@@FloryJohann I know that, but thanks for the reminder

@bradgoliphant 11 месяцев назад

This is great Jason. Question. Where do you get your OA? Can I get it on Amazon? And will any 12V battery do? Thx

@JCsBees 11 месяцев назад

Hey Brad, Yes, I get mine from Amazon and yes any 12v battery will work.

@christopherdavis9012 4 года назад

Can you leave your honey super on what you level for the bees

@angiekyle2942 4 года назад

Great idea! I'm going to do that. Draw the robes away

@offshoot1008 Год назад

Does it have to be a car battery?

@tywilson64 Год назад

Very helpful! Is it safe to treat hives with OA while hive alive fondant in on?

@JCsBees Год назад

Awesome! Glad it was helpful! Yes, it's perfectly fine to treat with OA while fondant is on the hive.

@tywilson64 Год назад

Thanks!

@dianastephenson3919 4 года назад

How much lemongrass oil do you put in your syrup? Thanks for this easy to understand video!

@JCsBees 4 года назад

Just a couple drops per gallon but make sure it's essential lemongrass oil.

@dianastephenson3919 4 года назад

Jason Chrisman Thanks!

@michaelmroz9378 4 года назад

Pulled the honey suppers and extracted the honey. Put 3 suppers back on double deep hive for them to clean up. (Have problems with bears and wasps if leave out in yard.) Can I OAV the empty supers and get all the bees at once? Will Oxalic Acid Vapors leave unwanted residue and taint next years honey crop? Perhaps this is too much volume to effectively treat, 2 deeps and 3 suppers. TIA, Mike

@JCsBees 4 года назад

@Michael Mroz This is a great question. It will leave residue behind for next years crop. You could wait a couple days then pull them to treat, by then they should have them pretty clean. It's your safest bet. I would also agree it's probably too much room to treat effectively but it's not worth the risk.

@vagabond4621 4 года назад

Stupid question. I have left supers on because my bees filled some of the super back up. Rather than feed, I let them keep the honey. Does oxalic acid stay in the wax after treating and cause issues next year?

@JCsBees 4 года назад

Yes it is absorbed into comb and will remain there for years to come. Best to remove them and add them back after treatment.

@danclas5983 4 года назад

Hey Jason , i'm a new Ohio beekeeper getting ready to do my first oav treatment on a swarm i caught a couple of weeks ago . Just wandering if i should remove pollen patties and feeders to treat ? Thanks .

@JCsBees 4 года назад

No reason to remove patties or feeders. Best of luck!

@danclas5983 4 года назад

@@JCsBees Thank you Jason , enjoy your vids

@robertkajor3774 3 года назад

Hi Jason. What oxalic acid do You use? Just regular OAC 99.6% pure ones?? Regards Rob,Essex, UK

@JCsBees 3 года назад

Yes, I believe mine OA is 99.6%, why do you ask?

@R_an_D 4 года назад

As an alternative to dipping the wand in water to cool it, wet the rag used to block the hive entrance and press the wand on it after completing a hive. By doing this, I can move to the next hive and the tray is cool enough to reload.

@SuperBuickregal 4 года назад

Deja Vue!

@noahriding5780 11 месяцев назад

Some of us have respiratory problems. Don't really want to be around acid vapor. I wondered if there's a way to effectively use oxalic acid in like a sugar water feed instead? Thanks.

@JCsBees 11 месяцев назад

Yes, check out my video on "The Dribble Method" and you will find just what your looking for. 😀

@noahriding5780 11 месяцев назад

@@JCsBees Thank you.

@stevedingman474 4 года назад

Chris it’s taken me 7 years to build up a population of mite resist bees it’s very possible at first my colonies did suffer major losses but I kept a great mite count on hives figured I’d lose them all but slowly I found that one hive of carnies was keeping the count at acceptable level and well she was cloned and other queens were pinched and replaced some queens carried the picking trait I called it they were picking off and killing the mights and by fall I was back to healthy hives and I did it again if a hive suffered low numbers and eventually now I use no treatment at all not for 3 years healthy bees ! And normal mite counts ! I know people need to treat if they don’t have time or the luck to start off with a queen who passed on a great picking gene 🧬 now my nucs and queens are golden by my local keeper friends my only worry is thinning the gene pool ya know to many of my queens out there !

@FloryJohann 3 года назад

Dead bees will never make mite resistant bees. I lost all my hives for many years. Lost a lot of money and bees by listening to folks to do it the natural way. I started treating and all is good now.

@scottH18370 4 года назад

What causes several bees to crawl on the ground and no long have the ability to fly? I,ve checked and they do not have deformed wings. What would be the cure?

@FloryJohann 3 года назад

It could be a disease which makes the bees lose orientation. Younger nurse bees that never have been outside and that may end outside of the hive for whatever reason may not know how to fly yet, their wing muscles may not have been developed or strong enough at that stage.

@arkas6797 2 года назад

How many amperes should the battery be? Thank you.

@JCsBees 2 года назад

Not sure but good question. Sorry I can't be more helpful.

@markkersh8548 4 года назад

You mentioned removing the supers, is that if the honey is for human consumption, or does it effect the bees also if you’re not drawing any off and just leaving the honey for the bees for overwinter?

@JCsBees 4 года назад

It shouldn't bother the bees but will be absorbed into the comb of supers and then can't be used for human consumption in years to come. I'd remove the supers before treating and add them back afterwards to be safe.

@markkersh8548 4 года назад

Thank you, I really appreciate the reply.

@mattl2539 4 года назад

Great video, thanks! Is there any risk of building up resistance to oxalic acid if you use no other treatment method?

@JCsBees 4 года назад

Not that I am aware of but it's still a good idea to switch things up every now and then.

@mattl2539 4 года назад

@@JCsBees Okay. What do you recommend for use when switching up?

@johngrant8046 4 года назад

jason when do you start your rounds of treatment what month and how long

@JCsBees 4 года назад

I like to start mid August but I am slightly behind this year. I will do this treatment at least 3 more times with OAV. Then I may do the Dribble Method in late November.

@JohnSmith-gm3qm 2 года назад

What is the min temperature you can use oxalic Acid at?

@JCsBees 2 года назад

I've done it at 38°F and had decent results.

@trichard5106 4 года назад

What is the coldest temp to use safely ?

@JCsBees 4 года назад

It's my understanding that 37°F is the lowest temp OAV should be used and before doing it you should puff the colony with some smoke to break the bees cluster so they can all be treated.

@trichard5106 4 года назад

Thanks !!

@Zerkbern 4 года назад

Link to provap never appeared

@JCsBees 4 года назад

Sorry about that. I will fix that now. Here's the link ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-clxYYVE6_N0.html

@martyking6942 4 года назад

Use the timer on your cell phone. It counts tenths of seconds.

@JCsBees 4 года назад

@Marty King But I need my cell phone to record my videos. lol Good suggestion!

@martyking6942 4 года назад

@@JCsBees so many people buy those expensive video cameras to record and all they really need is a cell phone. The cell phone cost almost as much as well I guess it cost as much as some of those video cameras and does just as good a job. Thanks for the videos.👍🖖

@robertwatson4392 3 года назад

Why do you do the treatment what is it for an do..?

@JCsBees 3 года назад

Treatment is to kill varroa mites which make bees sick. Mites are a lot like ticks that people get when outside working.

@olddave4833 3 года назад

I've watched several videos about this over the years and am trying to figure out if all of you are vaporizing empty or weak hives for the videos., I've tried it all times of the the day and night and still have several thousand bees come roaring out of the hive, all the videos look like they are treating pet bees. I seldom use a vail but when I'm treating mine, on comes the vail and now even tape my pant legs.

@JCsBees 3 года назад

I'm sorry but I had to laugh. Yes, I am treating real live bees, no fake trickery here. lol It's sounds to me like you have some very aggressive bees or your in a dearth. If your in a dearth I would wait until you have a flow or offer some syrup.

@olddave4833 3 года назад

@@JCsBees no dearth and I have kept 1-1 sugar water on these 4 hives all summer, just thee four.. what's the point of taking out the wand after 2 minutes, I find that about 10000 more bees come out with the wand so I just leave it in ten minutes..

@FloryJohann 3 года назад

Bees usually do not like if you put stuff into their hive. So some may be more aggressive to fight off intruders like the wand. My bees are gentle and they act more like pets at least most at the time and they do not attack when I put the wand in, they just want to get inside the hive after I remove the rag. If you got Russian bees there is a possibility. My supplier for the wooden ware got Russian bees and the bees attack him when he enters the bee yard, so it may matter what bees you have.

@olddave4833 3 года назад

@@FloryJohann I've found that they are pretty good if they are up and out flying, but then half the bees do not get treated, I'm going to make a new entrance stick so I don't have to take out the whole front when treating and cover it with a wet towel. have an opening just large enough for the wand., a few may get out but maybe the bees will not get so angry.

@FloryJohann 3 года назад

@@olddave4833 About 1/3 of the hive are foragers. Capped brood got the most mites. Then come the nurse bees that may have a lot too. Foragers have the least amount of mites, unless they are robbing a dead hive/colony that collapsed with a big mite problem. Your approach with that modified entrance may work great, You may never know unless you try. Let me know how it works out.

@wendyme4835 4 года назад

I don’t understand why the recommended treatment period is only 21 days when varroa favour drones that take 24 days to mature. 🤔

@FloryJohann 3 года назад

That is why I treat every 5 days of 5 treatments total which is 25 days and I use 2 grams of OA each treatment.

@raddad6430 4 года назад

Maybe a dumb question but why not treat at night?

@timurich4270 4 года назад

You can treat at night. I’ve done it wearing a red light headlamp.

@FloryJohann 3 года назад

Is there a reason? Most mites are in the brood and many are on nurse bees. Nurse bees do not fly and they stay in the hive to take care of the brood. There are very little mites on foragers unless they rob a mite infested hive out. This treatment will not kill mites inside capped cells/ capped brood. OA will only kill only for 1 or 2 days per treatment