InstantVap 18V Original Oxalic Acid Vaporizer

InstantVap® 18V Oxalic Acid Vaporizer (Original)

The cordless, battery-powered oxalic acid vaporizer trusted by thousands of beekeepers for fast, effective Varroa mite control.

Designed in Hungary and supported in the U.S., the InstantVap 18V delivers precise, 25-second hive treatments without the hassle of cords, compressors, or long setup times. Whether you're a hobbyist or professional, this vaporizer gives you power, portability, and peace of mind.

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🔑 Key Features

• Cordless + Compatible: Use your own DeWalt, Milwaukee, Makita, Rigid, or Bosch batteries (see details below).
• Adjustable Dosage: Plunger adjusts from 1g–4g of oxalic acid.
• Battery Protection System: Built-in safeguards to prevent damage or overloads.
• Voltage Meter: Real-time power monitoring on every use.
• Rugged Stainless-Steel Body: Built to last, with a replaceable stem.
• Fast Treatments: About 25 seconds per 2 g dose, about 45 seconds per 4 g dose.

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🔋 Battery Compatibility

Batteries are not included. The InstantVap 18V works with the following battery types:

• DeWalt XR or FLEX (20v or 20v/60v MAX) – NOT compatible with Powerstack
• Milwaukee (M18)
• Makita (18v LXT)
• Rigid (18v)
• Bosch (GBA/ProCore 18V)

Recommended: Use 5Ah or larger batteries for optimal performance. Available at Home Depot, Lowe’s, or other tool suppliers.

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📊 Battery Life Estimates (at 65°F / Room Temperature)

• Dewalt 20v 6Ah: Up to 22 hives (4g) / 44 hives (2g)
• Milwaukee M18 XC5.0: ~10.5 hives (4g) / ~21 hives (2g)
• Dewalt 20v 5Ah: ~9 hives (4g) / ~22 hives (2g)
• Dewalt FLEXVOLT 20/60v MAX 6Ah: ~20 hives (4g) / ~40 hives (2g)

Environmental conditions such as air temperature can affect runtime. For improved performance in cooler weather, consider adding the Silicone Insulation Roof Accessory, which can boost efficiency by up to 20%.

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Designed in Hungary. Serviced in the USA.

Crafted with precision and backed by a 2-year parts warranty. All warranty support is handled in the United States — fast, easy, and hassle-free.

📄 View the User Manual

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🧪 When to Use Oxalic Acid Vaporization

Oxalic acid vaporization is a highly effective method for controlling varroa mites — especially when applied at the right time. Like any treatment, its success depends on colony conditions.

Oxalic acid targets mites that are riding on adult bees, but it can’t reach mites sealed under wax-capped brood. For this reason, it works best during periods when your hive is naturally broodless or experiencing a temporary brood break.

Ideal times to treat include:

• Mid-winter, when most colonies are broodless
• After capturing a swarm
• Following a natural swarm and requeening event
• During a brood break (natural or induced)

These windows give oxalic acid vapor a clear path to nearly every mite in the colony, making treatment far more effective and helping your bees thrive.

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Frequently Asked Questions

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🔍 Compare Models

The Original is the full-size workhorse. If you want something lighter, faster or less expensive, the rest of the line is here:

• InstantVap 18V Compact – The same heating power and speed in a smaller, better-balanced body, with spare plunger storage in the handle.
• InstantVap Lite – Our most affordable and portable unit; slower (25–30 seconds at 2 g, about a minute and a half at 4 g) and runs on a 3Ah battery.
• InstantVap Turbo – About 10 seconds per 2 g dose instead of 25 (about 20 seconds at 4 g instead of 45), for commercial yards.

Or see all four side by side, with prices, treatment times and battery guidance, on our oxalic acid vaporizers page.

All units are backed by the same warranty, support, and compatibility with major-brand batteries.

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