Gibson Bioscience Potassium Hydroxide 10% (KOH 10%), Cat. No. 300145 Potassium Hydroxide 10% (KOH 10%) is intended for use in the demonstration of yeast and fungal elements in wet clinical preparations. Potassium Hydroxide digests the proteinaceous material in the specimen, leaving the fungal cell wall intact for direct microscopic observation. Recall
Check Your Product
According to the U.S. Food and Drug Administration (FDA)
Product
Potassium Hydroxide 10% (KOH 10%), Cat. No. 300145 Potassium Hydroxide 10% (KOH 10%) is intended for use in the demonstration of yeast and fungal elements in wet clinical preparations. Potassium Hydroxide digests the proteinaceous material in the specimen, leaving the fungal cell wall intact for direct microscopic observation.
Brand
Gibson Bioscience
Lot Codes / Batch Numbers
Lot 21137116, UDI 10634853000633
Products Sold
Lot 21137116, UDI 10634853000633
Gibson Bioscience is recalling Potassium Hydroxide 10% (KOH 10%), Cat. No. 300145 Potassium Hydroxide 10% (KOH 10%) is intended fo due to A lot of KOH 10% was made with Hydrogen Peroxide 3% instead of KOH 10%.. Based on FDA medical device recall database.
Summary derived from FDA notice
Reason for Recall
As stated by FDA
A lot of KOH 10% was made with Hydrogen Peroxide 3% instead of KOH 10%.
Recommended Action
Per FDA guidance
On July 1, 2021, the firm, Microbiologics, distributed "Urgent Medical Device Recall " letters to affected customers through mail and email. Customers were informed of the product issue. Customers were instructed to discard all affected inventory immediately. In addition, they were to complete and return the customer response form to recall@microbiologics.com, and keep the recall letter for their records. Customers may contact Microbiologics if a replacement is needed. Please contact Microbiologics' Recall Support Team at 320.229.7073 or recall@microbiologics.com with questions or concerns. Collect calls may be made.
Verify this information on the official source
For complete details and official instructions, check the U.S. Food and Drug Administration (FDA) directly.
View official FDA recall noticeDistribution
As reported by FDA
CA, CO, KY, ME, NY, NC, SC
Page updated: Jan 10, 2026