Varrox^® Vaporizer

Professional Oxalic Acid Vaporization for Varroa Control

The Varrox^® Vaporizer is a high-quality heating device designed to sublimate oxalic acid dihydrate crystals for the treatment of Varroa destructor mites in honey bee colonies. Powered by a 12-volt battery, it delivers consistent heat for reliable vaporization and thorough distribution of oxalic acid vapour throughout the hive.

Built for durability and ease of use, the vaporizer provides beekeepers with a practical and effective tool for Varroa management. When used according to recommended procedures, it supports efficient treatment during broodless periods, helping reduce mite populations while maintaining colony health. Suitable for hobbyist and commercial beekeeping operations, the Varrox Vaporizer is trusted worldwide for dependable treatment performance

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Product Facts

Against
Varroa destructor Mite

Active Ingredient
For use with Oxalic Acid Dihydrate

Formulation Type
Vaporization Device

Standard Dosage
Double Brood Chamber: 2 g oxalic acid
Single Brood Chamber: 1 g oxalic acid
Nucleus Colony: ½ wafer

Pack Size
1 Unit

SDS

Tech
Sheet

Product
Label

Application Guidelines

These guidelines are intended as general recommendations. Always read and follow the product label. For beekeeping-specific advice, consult your local Andermatt representative.

Quantity

Double brood chamber: 2 g oxalic acid Single brood chamber: 1 g oxalic acid

Frequency

Apply according to local Varroa management recommendations and label instructions.

Best Time to Apply

During broodless periods when outdoor temperatures exceed 8°C.

Application Method

Place the measured oxalic acid dose in the vaporizer pan, insert beneath the cluster through the hive entrance, seal the hive entrance, and connect to a 12-volt battery for 2 minutes and 30 seconds. Allow one minute before removal and keep the hive sealed for 10 minutes following treatment.

Tank Mix / Adjuvants

Not applicable.

Pre-Harvest / Residues

Refer to local regulations and product instructions regarding oxalic acid use in honey bee colonies.

Key Product Benefits

Reliable, Consistent Performance

Engineered to provide dependable heat output and uniform oxalic acid vaporization.

Effective Varroa Control

Supports strong efficacy against Varroa destructor when used according to label recommendations.

Simple Operation

Straightforward treatment process using a 12-volt battery and measured oxalic acid dosage.

Durable Construction

Designed for repeated use in both hobbyist and commercial beekeeping operations.

Precise Treatment Delivery

Promotes even distribution of oxalic acid vapour throughout the hive.

Supports Integrated Varroa Management

Can be incorporated into seasonal Varroa monitoring and treatment programs.

Target Pest Information

Varroa Destructor Mite

Varroa destructor is one of the most damaging parasites affecting honey bee colonies worldwide. These external mites reproduce within capped brood cells and feed on developing and adult bees, weakening colonies and contributing to the spread of harmful viruses. If left unmanaged, mite populations can increase rapidly and significantly impact colony productivity, overwintering success, and overall survival. Regular monitoring and timely treatment are essential components of effective Varroa management. Oxalic acid treatments are commonly used during broodless periods, when a greater proportion of mites are exposed on adult bees and more susceptible to control measures.

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Varrox^® Vaporizer in Action

Learn how the Varrox Vaporizer is used to safely and effectively vaporize oxalic acid for Varroa mite control.

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Disclaimer

Performance information for Varrox^® Vaporizer is based on manufacturer recommendations, field observations, and/or publicly available data. Results may vary depending on colony conditions, treatment timing, environmental conditions, and application technique. Always read and follow product instructions.
Use beekeeping equipment and oxalic acid treatments only as directed and in accordance with applicable federal, provincial, and local regulations. Appropriate personal protective equipment (PPE) must be worn during use. This website does not replace product instructions or safety documentation.
© 2026 Andermatt Group. Varrox^® is a registered trademark of Andermatt Group.

Varrox® Vaporizer