Hey, I just ordered my synthetic from urinator.com Heard good things about them. I'd say synthetic is probably better since you can keep it longer without having to freeze it. You know, always have the vial ready just incase you get a random
gs8778 Reviewed by gs8778 on . substituting ? for N2 Hey N2, Made a decision finally on purchasing substitution urine. Do you have any thought on frozen, synthetic etc...? Also thanks for all your help, it has been reassuring to get information from someone that has been through it. I'll let you know when the test is and how I do. Rating: 5