Beekeeping
EZ-OX Oxalic Acid Dihydrate Powder — 5 lb Varroa Mite Treatment
Product description
This listing is for a 5-pound pail of oxalic acid dihydrate powder intended for use against Varroa destructor in honey bee colonies. The product is produced by Mikes Bees, LLC, a disabled-veteran and family-owned beekeeping operation. It carries EPA registration 101743-1 and is authorized for application at 4 grams per deep box when used as directed.
The material is the crystalline form of oxalic acid, a naturally occurring organic acid found in plants such as buckwheat and spinach. The powder can be applied in common apiarian methods: vaporization (all standard OAV vaporizers), the dribble method, or when treating packaged bees. Detailed application instructions and safety information appear on the product label.
Packaging is a five-pound pail; the maker also supplies smaller formats such as a 400-gram powder option and 100-count tablet presentations for those who prefer different dosing forms. Every gram distributed is recorded and reported to the EPA for source, purity and age, providing an additional traceability measure beyond standard offerings.
Beyond its apiarian applications, the crystalline powder can be dissolved in water to form a solution or mixed into a wet paste for household cleaning tasks like stain and rust removal. Users should follow proper dilution and handling precautions and consult the label for mixing ratios and protective measures.
This product is not available for sale or shipment to California, Hawaii or the District of Columbia. The manufacturer emphasizes beekeeper-oriented production and legal compliance through EPA registration to ensure a regulated option for oxalic acid use in mite control.
Pros
- EPA-registered for apiarian use (101743-1)
- Made by a disabled-veteran, family-run beekeeping business
- Tracked reporting of origin, purity and age for each gram
Cons
- Not available for sale in CA, HI or DC
- Requires careful handling and PPE during use
- Not a one-time cure; part of ongoing mite management
VerdictA beekeeper-focused oxalic acid powder that combines EPA registration and traceability with flexible application options (vaporization, dribble, spray, or in-package). Supplied in a 5 lb pail and offered in smaller formats, it’s manufactured by a disabled-veteran, family-owned apiary business. Each gram is tracked for origin, purity and age and the label includes usage instructions and safety guid
Reviews
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Michael West 5/5
Performs well in my vaporizer
Pours neatly into my OAV, seals and reloads easily. The pail’s handle makes it simple to carry around the yard and the powder behaves as expected during vaporization.
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Kaleb mclain 5/5
Supportive small-run maker
The seller was extremely accommodating—there was a hand-written card with my order and I was able to call with questions. They walked me through treating my colonies and winter prep; communication felt personal and knowledgeable. I’ll keep buying from this family operation because they explained why their product is produced with bee safety and quality in mind.
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Pamela Rountree 5/5
High quality and straightforward to use
I’d heard positive reports and this formulation lived up to that reputation. It comes in a large quantity at good value and arrived in excellent condition. It controlled mites well when applied correctly; remember this is a routine management tool, not a once-and-done fix, and users should learn the proper techniques for oxalic applications.
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Mike 5/5
As described, prompt arrival
Product arrived quickly and matched the description.
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rene corriveau 4/5
Simple solution for hive care
Much less fiddly than preparing envelopes; this powder made treating colonies easier and faster for me.
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Robert Makosky 5/5
Effective against varroa
This oxalic acid powder reduced mite levels in my colonies when used as part of my treatment schedule. I recommend it for routine varroa control.
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Timothy J Smoot 5/5
Solid product from a beekeeper brand
A reliable, well-made product from people who understand beekeeping. Provides good value and consistent performance.
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