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Resources · The year-round protocol

Annual Treatment Plan

Keep healthy colonies through every season — chemicalfree.

See the plan
  • Chemical-free
  • 3 interventions a year
  • 20% more honey yield
The challenge

Why do I treat my bees with the Varroa Controller?

For decades the answer to Varroa was acid in the hive. Two things broke that answer — and no new chemical fixes either of them.

Spring: Treat the capped brood. This removes the brood mites so they can no longer reproduce.

If the first sealed brood frames are treated, the foundation of the problem is eliminated.
1 untreated mite at the beginning of the season results in 32 additional mites after 5 month (at the end of the season).

Summer: Confine the queen in the Duplex-Framebox for 24 days and heat-treat the removed frames.

Capture, remove and treat mites in the Duplex-Framebox and form new colonies with the treated frames.

Autumn: Last heat treatment of the capped brood, combine with final mite removal by a second heat treatment 12 days later.

You are able to respond to possible reinfestation at any time.

There is a way to break both problems at once — and it isn't a chemical. It's heat.

There's a temperature
that kills mites but not bees.

The whole method lives in one narrow band of heat. Hold the brood there and the mite dies while the pupae sail through unharmed.

Why heat works.

Varroa and bee pupae have different heat tolerances. Push the temperature into the gap between them — lethal to the mite, comfortable for the brood — and the parasite simply can't survive it. The treatment damages the mites so severely that they die within 24 hours.

No chemical means nothing for the mite to evolve resistance to. The physics doesn't change from one season to the next.

  • Bee pupa: tolerates higher temperatures.
  • The Varroa mite is sensitive to heat
  • The treatment window
The thermal treatment window
Bee pupae — safe
Treatment
Varroa mite — sensitive to heat.
★ The annual plan

In rhythm lies strength

Beekeepers think in seasons, so the plan rides your calendar. Three timed interventions knock the mite load back down before it can ever build into a threat.

Spring
March – May
Knock back the overwintered load.

Treat the capped brood. This removes the brood mites, so they can no longer reproduce. 80% of the colony's mites before the summer build-up even begins.

−320 of ~400 mites
removed
The key move
Summer
June 21 – mid-July
Confine the queen. Reset to zero.

By confining the queen to two brood frames in the Duplex Frame Box, Varroa mites in the hive are drawn into these frames, where they become trapped in the capped brood cells. After 24 days, the frames can be removed and heat-treated, eliminating the mites and their offspring — a chemical-free reset to near-zero mites by mid-July.

≈ 0 mites by
mid-July
Autumn
Mid-September to around mid-October
Stop the drift re-infestation.

Drifting bees from heavily infested neighbouring hives can introduce hundreds of new mites. A final treatment brings the load back to near zero before overwintering.

≈ 0 going into
winter

One system, three moves. No chemicals, nothing for the mite to resist — and healthy colonies going into every winter.

Download the treatment plan

Duplex frambox - how it works

Proof

Beekeepers who stopped losing colonies.

APIMONDIA 2019 Gold Medal

A gold-medal method.

The chemical-free heat-treatment method behind this plan won gold at Apimondia 2019 — the world's largest beekeeping congress — for its published, residue-free results.

“When I first inspect my bee colonies in spring and assume there is already Varroa in a frame, I can take that frame out and put it inside the Varroa Controller. In that way, I can get rid of the Varroa mites in spring. I put all threated frames back into the colony and I know that the hive is free from the mites.”

Learning from an expert – Beekeeping instructor Franz Heinrich Drescher Chairman of his local beekeepers association

“When I treat in September, I have hives free of mites in October. And that´s a big advantage for the bees. Especially as they go for wintering very late. The best thing is, I don´t need any chemicals - this treatment is very valuable for the bees.”

Rosa Käfer has relied on the Varroa Controller since she got her first bee colony. Beekeeper, Austria

“I have never had any losses since I started to use the Varroa Controller and I am very happy with it.”

Ernst Brandl: Bee-friendly and effective Varroa mite control Beekeeper, Austria
What's inside

Everything you need to treat correctly - nothing you don't.

  • Device setup & calibration. Get your device holding the correct operating temperature every time, with the probe in the right place.
  • Step-by-step treatment walkthrough. Start to finish, frame by frame, exactly as it's done in the field.
  • Troubleshooting common mistakes. Common first-season mistakes — and how to spot them before they cost you a colony.
  • Safety & PPE-free confirmation. Why chemical-free treatment means no gloves, no mask and no residues.
  • Seasonal application notes. When to run each treatment across the year.

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Questions

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A print-ready PDF you can read on any device or keep printed at the hive.
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You'll get the handbook and the occasional seasonal treatment note. Nothing more.
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