Pro Supply Outlet Recalls Sodium and Potassium Hydroxide Products Due to Failure to Meet Child-Resistant Packaging Requirement and Violation of FHSA Labeling Requirement (Recall Alert)
Recall at a glance
- Recall number
- 21-749 (CPSC)
- Recall date
- May 20, 2021
- Brand
- Pro Supply Outlet
- Category
- Lighting and electrical
- Products
- Pro Supply Outlet (PSO) Sodium and Potassium Hydroxide
- Hazard
- Failure to Meet Child-Resistant Packaging Requirement and Violation of FHSA Labeling Requirement (Recall Alert)
- Hazard type
- Fire and burnPoisoning and toxic substances
- Remedy
- Replace
- Units
- About 2,600
- Made in
- United States
- Last updated by CPSC
- May 20, 2021
What was recalled
This recall involves Pro Supply Outlet sodium and potassium hydroxide products sold in two-pound rigid white plastic jars with continuous thread caps. The front of the label bears the PSO logo, the product name, SKU 7023 and UPC 078345004533 for the sodium hydroxide and SKU 7132 and UPC 078345004625 for the potassium hydroxide.
Is my product affected?
Compare your product with the details below, including model numbers where listed.
- Pro Supply Outlet (PSO) Sodium and Potassium Hydroxide · About 2,600 units
Photos from the recall notice

Where it was sold
Companies named in the notice: Amazon.com, eBay.com, Etsy.com and prosupplyoutlet.com from January 2018 through March 2021 for about $15.; Chemical Technologies International Inc., dba Pro Supply Outlet, of Rancho Cordova, Calif..
Injuries or incidents reported
No incidents or injuries have been reported.
Consumer contact
Pro Supply Outlet toll-free at 855-248-9059 from 9 a.m. to 4 p.m. PT Monday through Friday, email at PSO5000@ctiinc.biz, or online at www.prosupplyrecall.com and click on Recall Notice for more information.
Recall history and context
Since 2019 CPSC has recorded 112 recalls in the lighting and electrical category, 47 recalls of them in the past 12 months.
Frequently asked questions
What was recalled?
Pro Supply Outlet (PSO) Sodium and Potassium Hydroxide (About 2,600 units). This recall involves Pro Supply Outlet sodium and potassium hydroxide products sold in two-pound rigid white plastic jars with continuous thread caps.
Why was it recalled?
CPSC lists the reason as: Failure to Meet Child-Resistant Packaging Requirement and Violation of FHSA Labeling Requirement (Recall Alert).
What should I do if I own one?
Consumers should immediately store the recalled products in a safe location out of reach of children and contact Pro Supply Outlet for a free replacement child-resistant cap and label to put on the product. Pro Supply Outlet is contacting all purchasers directly.
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Source: U.S. Consumer Product Safety Commission recall data, shown as published and last updated by CPSC on May 20, 2021. Details can change; the official notice is the authority. If your product may be recalled, stop and read the notice before deciding what to do. Terms and disclaimer.