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Api-Bioxal

$11.50

Protect your colonies from Varroa destructor mites, one of the most damaging external parasites in beekeeping, with Api‑Bioxal—a trusted EPA‑approved oxalic acid treatment developed under a USDA‑supported label. This safe, effective solution helps eliminate mites before they threaten hive health.

A 35g package treats 20–35 colonies, depending on whether you use the dribble method or vaporization/sublimation.

Quick Facts:

  • The only oxalic acid product approved for honey bees

  • Safe to use even when honey supers are on

  • Most effective on colonies with little to no brood

  • Always wear protective gear: mask, gloves, glasses, long sleeves

  • Do not treat multiple times per bee generation

  • Treat all colonies at once to prevent reinfestation

  • 5‑year shelf life

  • Not available in California

Package Coverage:

  • 35g: 20 colonies (dribble) / 35 colonies (vaporization)

  • 350g: 200 colonies (dribble) / 350 colonies (vaporization)

Application Methods: Dribble Method:

  • Mix 35g Api‑Bioxal into 1L of 1:1 sugar syrup

  • Apply 5ml per occupied bee space

  • Maximum 50ml per colony

Vaporization/Sublimation Method:

  • Seal hive cracks and entrance

  • Follow vaporizer manufacturer instructions

  • Use 1g per brood chamber

Treat only when mite counts exceed the recommended threshold. Learn how to test for mites with Varroa monitoring.

35g: ~ 5 ¼"  x  9 ¾"
350g: ~ 5 ¼"  x  10 ¼"  x  1"

BEEKEEPING 101

How to keep yourself protected from your bees

You will need to protect yourself! Our full Super Suit is going to protect you from almost 100% of bee stings, and last for years. However, if you are on a budget, or don’t mind the occasional sting, you can purchase any other options!

SHOP Protective gear