Where good things cost less!

Spring is here!

Start the season well prepared now! Discover our spring offers!

SKU: 1032

Serumwerk Oxalic acid Bernburg 40 mg/ml, 3.5% - 2x500 ml oxalic acid dihydrate solution for Varroa control

Normal price €26,99
including VAT Shipping will be charged at checkout.

🧴 Clear concentration information

Exact mg/ml information supports correct use according to instructions.

📦 Double pack

Two bottles for multiple treatments or larger numbers of colonies.

🔍 Clear labeling

Labels with clear information make proper handling easier.

Description

Serumwerk Oxalic Acid Bernburg 40 mg/ml, 3.5% – 2x500 ml
Oxalic acid dihydrate solution for Varroa control

Contents of the set:

2 x 230 ml concentrate (results in approx. 2 x 500ml ready-to-use oxalic acid solution)
Bienenwagner-Syringe for precise application

Sugar (sucrose) not included

Premium oxalic acid for effective Varroa control

The Oxalic acid Bernburg 40 mg/ml is a high-quality, approved veterinary medicinal product the Serumwerk Bernburg AG, especially for Fighting the Varroa mite (Varroa destructor) in honey bees (Apis mellifera).
🔹 40 mg oxalic acid per ml (corresponds to 56 mg oxalic acid dihydrate)
🔹 Can be used all year round
🔹 Versatile: Drip & spray application

Area of application & notes:

Only use in non-breeding periods (autumn/winter) or for young colonies without breeding!
Optimal application temperature: above 4°C
🚫 Does not penetrate capped brood cells

Types of application:

🔹 Drizzle application (optimal at temperatures below 5 °C):
1️⃣ Oxalic acid solution in one Heat in a lukewarm water bath (30–35 °C)..
2️⃣ Add 222g sugar to the 1 liter bottle with 230ml concentrate Add & shake vigorously until the sugar is dissolved.
3️⃣ The Drizzle the finished solution lukewarm with the syringe directly onto the bees in the honeycomb alleys.

🔹 Spray application (recommended for young colonies & swarms):
1️⃣ Drinking water with hardness range I (0–7° dH) or distilled water use.
2️⃣ For the 0.5 liter bottle containing 230 ml of concentrate, add 200 ml of water & shake well.
3️⃣ The finished solution with one Apply spray bottle evenly to bees.

Adjust the dosage depending on the population of the honeycombs!

Pay securely

Payment methods

  • American Express
  • Apple Pay
  • Bancontact
  • EPS
  • Google Pay
  • iDEAL Wero
  • Klarna
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment details are safe regardless of whether you pay in advance with Paypal or Klarna. We do not store the data or pass it on to third parties.