Tag - dilution

WARNING! – You may be using fentanyl testing strips incorrectly!

WARNING! You may be using fentanyl testing strips incorrectly By Emanuel Sferios, DanceSafe founder Photo: Our new micro scoops - available here - which are meant to improve the safety and efficacy of fentanyl strip testing.  A dangerous set of instructions for using fentanyl testing strips has been making rounds across the internet....

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