THE DEFINITIVE GUIDE TO FENTANYL PATCH

3. Hold the blue end of your test and submerge the wavy end with the strip in the water for fifteen seconds, holding the liquid degree under the blue line  Seriously Freaked Out!! Fentanyl OD or W/D, Not sure! Need to have Information!! Hi all, I''m pretty new to this board but posted yesterday with some qualifications on me, some minimal side ef