Quick Facts at a Glance
- Recall Date
- November 22, 2025
- Hazard Level
- HIGH
- Brand
- Changchun Wancheng Bio-Electron Co.
- Category
- Health & Personal Care
- Sold At
- Multiple Retailers
- Geographic Scope
- 1 states
- At-Risk Groups
- GENERAL
What to Do Now
Use this page like a recall checklist: verify the product first, then act on the official remedy.
Immediate steps
- 1Stop using the product until you confirm whether it is included in the recall.
- 2Compare the product label, model number, UPC, color, size, and purchase location against the identifiers below.
- 3Follow the official remedy from FDA - Medical Devices; save photos, receipts, labels, and correspondence before contacting the company.
- 4If the product could harm a child, older adult, pet, or patient, move it out of reach immediately.
Check these identifiers
- Brand
- Changchun Wancheng Bio-Electron Co.
- Product type
- pH Test Strips
- Model numbers
- Name/Lot(Expiration): Vivoo pH Test/2024013121(01/30/2026)
- Sold at
- Multiple Retailers
- Where affected
- ALL
Recall Timeline
Key dates and source checks for this recall record.
Recall announced
November 22, 2025
Reported by FDA DEVICE
February 11, 2026
RecallRadar source check
February 18, 2026
Consumer action
Use the official remedy and keep documentation.
Hazard Information
Test strips and other tests including for near-patient testing, that require a 510(k) were distributed before they could be legally marketed to U.S. customers; devices may cause false or inaccurate diagnostic result by lay person and lead to inappropriate medical intervention.
What You Should Do
Patients and healthcare providers should stop using this device immediately. Follow the recall instructions provided by the manufacturer. Contact Changchun Wancheng Bio-Electron Co., Ltd. or your healthcare provider for instructions. Notification method: Letter
About This Product
The Vivoo pH Test is a medical device used for monitoring pH levels, which can be important for various health assessments. Consumers typically use these test strips at home for quick health insights.
Why This Is Dangerous
The hazard arises because the test strips were distributed without appropriate FDA clearance, potentially leading to incorrect pH readings. Such inaccuracies can result in improper health decisions.
Industry Context
This recall is not part of a broader industry pattern.
Real-World Impact
The recall affects consumers who rely on accurate pH testing for health monitoring. The potential risk of incorrect readings could lead to unnecessary medical interventions.
Practical Guidance
How to identify if yours is affected
- Check the packaging for the model number Vivoo pH Test/2024013121.
- Verify the expiration date is January 30, 2026.
- Look for any recall notification letters from the manufacturer.
Where to find product info
You can find the model number and expiration date on the product packaging or insert included with the test strips.
What timeline to expect
Expect to receive a refund or further instructions within 4-6 weeks after contacting the manufacturer.
If the manufacturer is unresponsive
- Document all communication attempts with the manufacturer.
- Follow up with the FDA if no response is received within a reasonable time frame.
- Consider consulting a consumer rights organization for assistance.
How to prevent similar issues
- Always verify that medical devices are FDA-approved before purchase.
- Check for recent recalls on health product websites or FDA announcements.
- Consult healthcare professionals for recommended products.
Documentation advice
Keep records of your purchase, including receipts and any correspondence with the manufacturer regarding the recall.
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Product Details
The recalled product is the Vivoo pH Test, model Vivoo pH Test/2024013121, with an expiration date of January 30, 2026. The device was distributed nationwide in the U.S. The recall affects 500 units.
Key Facts
- Recalled product: Vivoo pH Test
- Recall date: November 22, 2025
- Distribution: Texas, Georgia, California
- Hazard level: High
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Safety Guide
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