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Author Topic: 7 day vs 14 day Formic Pro treatment  (Read 45 times)

Offline Duc Duck Doc

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7 day vs 14 day Formic Pro treatment
« on: April 17, 2019, 10:31:29 am »
Hi there! I'm a newbee. The state inspector looked at my hive and said I need to treat for varroa. The Honey Bee Health coalition and Beezneedz recommended FormicPro which I now have. One can treat 7 days with 2 simultaneous strips or 14 days with 2 strips in series. Does anyone know the advantages/disadvantages of either approach?

Follow up to original post:
Thanks for the comments. Now I'm terrified!
I do have a screen bottom which I read is recommended to allow more ventilation. I guess I'll just buy another one if the formic acid eats through.
I'm planning on treating Saturday when the weather is better and after our bee club meets for a talk on varroa. The highest temperature in the next 10 days here is 81 degrees.
I do not plan on harvesting honey from this hive since they swarmed about a month ago and I'd like to get let them build up.
This is a hive I was given from a woman who was selling her house, which is why the bees weren't treated in the fall.
« Last Edit: April 17, 2019, 08:55:49 pm by Duc Duck Doc »

Offline blackforest beekeeper

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Re: 7 day vs 14 day Formic Pro treatment
« Reply #1 on: April 17, 2019, 02:35:47 pm »
without knowing this specific product but some experience with formic acid:
the 7 day-treatment with 2 strips sounds like a shock-treatment. This would be ideal if the hive has quite a bit of a varroa-load.
the 14-day-treatment is less harsh, but not as fast.

I never used formic in spring.
in fall one would control varroa-load 14 days after treatment has ended and go from there: another treatment with formic might necessary.

I do "shocks" only. Short bursts of formic acid on a sponge cloth, repeated every six days as long as they need it.

Offline Live Oak

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Re: 7 day vs 14 day Formic Pro treatment
« Reply #2 on: April 17, 2019, 03:27:11 pm »
Its getting kind of late to be treating with formic acid treatments.  Yes, both MAQS & Formic Pro state that you can use their product upto 85 degrees F.  I would caution using it above 80 degrees F as formic acid can be extremely hard on brood and queens.  If you still have mild weather in the mid 70's up to 80 degrees, you should probably be ok but once the temperatures get above 80, I would not use either on my bees.  Both are very effective on varroa mites, especially reproductive varroa mites that live in the capped brood comb. 

Offline sawdstmakr

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Re: 7 day vs 14 day Formic Pro treatment
« Reply #3 on: April 17, 2019, 07:25:55 pm »
If you have screened top or bottom boards, bee Forewarned, formic acid can put holes in them.
Jim Altmiller

Offline Duc Duck Doc

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Re: 7 day vs 14 day Formic Pro treatment
« Reply #4 on: April 17, 2019, 08:14:24 pm »
Thanks for the comments. Now I'm terrified!
I do have a screen bottom which I read is recommended to allow more ventilation. I guess I'll just buy another one if the formic acid eats through.
I'm planning on treating Saturday when the weather is better and after our bee club meets for a talk on varroa. The highest temperature in the next 10 days here is 81 degrees.
I do not plan on harvesting honey from this hive since they swarmed about a month ago and I'd like to get let them build up.
This is a hive I was given from a woman who was selling her house, which is why the bees weren't treated in the fall.

Thanks all!

Offline Michael Bush

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Re: 7 day vs 14 day Formic Pro treatment
« Reply #5 on: April 18, 2019, 10:24:54 am »
I would worry more about what the formic acid does to the microbes...

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