Do Commando black tank treatment packets have an expiration date??
Walex CMDOBG Commando Black Holding Tank Cleaner
Question ID: 4441349 Status:
Open May 13, 2023 - 03:57 PM
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May 16, 2023 - 10:41 AM
No, they do not have an expiration date but have production dates.( per the manufacturer)
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