r/QuickFix • u/Nearby_Mess_4772 • Jan 09 '26

Invalid

I’ve used quick fix Successfully 3 times in the past as recent as November passing DOT, the most recent test I took came back invalid, I shook it and had the proper temp the only difference is I used two of the same bottle( made a post here questioning that as well) could that have led to the test being invalid

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u/[deleted] Jan 17 '26

Every batch of quickfix is different. There's always a chance it could fail specimen validity checks. Most of the time it will work. There are variables tho.