15 mins into Ep 18 of The Rambling Rabbit with Kratoxes and Missy Unicorn. Testkitplus.com is a great site to get reagents and fentanyl tests. They have purity tests too for cannabis and other drugs w... View More15 mins into Ep 18 of The Rambling Rabbit with Kratoxes and Missy Unicorn. Testkitplus.com is a great site to get reagents and fentanyl tests. They have purity tests too for cannabis and other drugs where you would want to know purity.