The Lorob Oxalic acid is
"The Lorob Oxalic acid is a pure grade that is more effective and healthier for your bees than the hardware store Oxalic wood bleach. Very little residue left to clean and it is easily dissolved with pure water."
EZ-OX Oxalic Acid - 400g bag - EPA Certified
$24.95
In stock, ready to ship
- ✔ Ships from Baltimore, MD. Small parts usually go USPS for $6–9; you see the exact rate before you pay.
- ✔ 30-day returns on unused, undamaged gear. No restocking fee.
- ✔ Not sure it fits your model? Check the Help Center or email us. We are beekeepers, and we answer.
Pairs well with
EZ-OX Oxalic Acid – EPA-Approved, High-Purity Mite Control for Beekeepers
Say goodbye to sticky residue and unapproved chemicals. EZ-OX is the only U.S.-manufactured oxalic acid dihydrate with full EPA approval for use in honey bee hives. Whether you're a seasoned beekeeper or just starting out, this 400g bag provides a clean, effective, and residue-free treatment against Varroa destructor mites.
Safe to use even with honey supers in place, EZ-OX is trusted by backyard beekeepers and professionals alike. Compatible with all oxalic acid vaporizers, including the InstantVap line, it delivers consistent results without gumming up your equipment.
🔑 Key Features:
- ✅ EPA-Approved: The only oxalic acid produced in the U.S. that’s certified for legal mite control in bee colonies. Meets federal and state regulations for safe hive use.
- ✨ Residue-Free Vaporization: Leaves no sticky build-up in your vaporizer, making maintenance easier and treatments smoother.
- 🔬 High Purity Formula: Contains 97.0% oxalic acid dihydrate – the gold standard for reliable, effective varroa mite control.
- 🧰 Versatile Application: Use as a vaporized or dribbled treatment during periods of low brood. Works with most standard vaporization devices and dribble methods.
- 🇺🇸 Made in the USA: Support American manufacturing while treating your bees with confidence and consistency.
💡 When to Use Oxalic Acid:
Oxalic acid is most effective when bee brood is minimal or absent — such as in early spring, after a split, or in late fall/winter. During these times, the mites have no brood to hide in, allowing the treatment to reach full effectiveness. EZ-OX is safe for use with honey supers in place, meaning you don’t have to disrupt your harvest timing to protect your bees.
📦 Product Specifications:
- Net Weight: 400g
- Active Ingredient: Oxalic Acid Dihydrate (97.0%)
- Form: Fine crystalline powder
- Storage: Resealable, moisture-resistant packaging
❓ Frequently Asked Questions
Is EZ-OX legal to use for beekeeping in the U.S.?
Yes. EZ-OX is EPA-approved for use in honey bee hives and meets U.S. federal and state regulatory standards for varroa mite control.
Can I use EZ-OX with honey supers on?
Yes. EZ-OX is safe to use even when honey supers are installed, making it convenient to treat without delaying your harvest schedule.
How do I apply EZ-OX oxalic acid?
EZ-OX can be applied through either vaporization or the dribble method. For vaporization, use a compatible device like the InstantVap and follow EPA-approved application rates.
Will EZ-OX damage my vaporizer?
No. Unlike lower-grade products, EZ-OX leaves no sticky residue and is safe for long-term use in vaporizers like InstantVap, ProVap, and others.
How many treatments are in one 400g bag?
That depends on your dosage. At a common dose of 2 grams per hive, one bag will yield approximately 200 treatments.
EZ-OX Oxalic Acid - 400g bag - EPA Certified
1 Bag
$24.95
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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2-year parts warranty
Every InstantVap carries a 2-year parts warranty, and all warranty and repair work is done in-house by our own technicians rather than sent out to a third party. Start a request on our Service and Warranty page.
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Before you email us
Service questions get answered fastest when your first message includes the date of purchase, your battery brand and amp-hour rating, where you bought the battery, and which model you own.
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Setup and cleaning
First treatment coming up? Getting Started with InstantVap walks through setup, Cleaning an InstantVap 18V covers the plunger and nozzle, and our YouTube channel has the same steps on video.
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Returns
Unused, undamaged items can be returned within 30 days of purchase with no restocking fee. Return shipping is yours unless we filled the order incorrectly, in which case we cover it both ways.
Overall rating: 4.9605265 / 5 from 76 reviews.
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Reviews
Easy to use
"This makes OA treatment much easier. Moving between hives is much faster than using a corded version, and the quick dosing is awesome. Just be sure to wear thick gloves because the plunger gets hot swell, and changing the dosage (for hives that have different numbers of brood boxes) is not easy while it is hot."
Great product
"Fast shipping. Great packaging. The consistency is also perfect for using in my InstantVap compact without needing to add water. Plunger always holds the full dose without it crumbling out."
5 stars
"Great service"
Great item and well priced
"Being a small backyard beekeeper, this is an ideal amount of oxalic acid, and enough to help other small beekeepers treat their hives too!"
Fast service secure packaged
"Fast service secure packaged"
Oxalic Acid
"The delivery was quick and productis reasonably priced, just waiting for weather to warm up to use. Thx!"
Good Stuff
"Costs a lot less than the other brand."
Lorobee lite and EZ Ox
"I had an older style Lorobee vaporizer and was happy with ot but hauling a 12 volt battery was a pain. Also used OA from Amazon. When i got the new 18 volt vaporizer and EZ Ox i can now do my 4 hives in no time at all. Super happy with both!"
Oxalic acid EZ-OX
"I have used the product once this season on an early March treatment. It was easy to load and vaporized readily so I am very pleased with the results."