Nassenheider Professional - Acid Evaporator (double pack)
Nassenheider Professional – Professional Horizontal Hive Evaporator
Package contains 2 complete evaporation units.
Nassenheider Professional is among the proven tools for hive hygiene and gentle bee colony care. It is a well-designed German evaporator intended for long-term, even, and controlled evaporation of liquid solutions in the hive space. The patented horizontal system helps maintain stable performance even with fluctuating weather and temperatures. The newer design also facilitates handling, filling, and off-season storage.
What does this system bring you?
In practice, simple operation and result certainty are decisive. Nassenheider Professional is designed to save beekeepers time and limit unnecessary interventions in the colony. The basic advantage is automated and continuous evaporation – thanks to the larger capacity reservoir and wick delivery system, there is no need to check the hive every day. Application takes place gradually over several days to weeks, bees have more peace, and you have fewer trips to the apiary.
Operating Principle and Technology
The evaporator works on the principle of capillary action. Liquid is transported by wick from the reservoir to the evaporation surface, from where it is released in a controlled manner into the hive air. Stable evaporation helps maintain balanced vapor concentration, while intensity can be adjusted by choosing the wick size.
Main User Benefits
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Easy hive placement: The evaporator does not need to be inserted into frames or interfere with the bee work. It simply sits on the top bars of frames – typically in an empty super or feeding chamber. The brood chamber remains free and the colony is less disturbed.
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Safe design: The entire system is housed in a stable tray that serves as a safeguard against solution leakage. In case of accident, it catches the liquid and protects both bees and hive interior parts from contamination.
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Compact storage: Both evaporation units can be nested together, creating a neat and space-saving unit. In winter it takes up almost no space and individual parts are easily kept together.
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Adaptation to conditions: The package includes multiple wick sizes, allowing regulation of evaporation rate according to temperature, colony strength, and hive type.
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Large reservoir capacity: Volume up to 290 ml is suitable for longer application intervals without frequent refilling.
Technical Specifications
| Parameter | Value |
| Device type | Long-term horizontal evaporator |
| Reservoir volume | 290 ml |
| Material | Chemically resistant plastic |
| Evaporation regulation | Yes (by changing wick size) |
| Placement | On top bars of frames |
| Package contents | 2× tray, 2× reservoir, set of wicks |
Nassenheider Professional is a proven solution for beekeepers who want a reliable and safe evaporator with minimal operating requirements and the ability to regulate according to current colony conditions.
Instructions for using the Nassenheider formic acid evaporator
