I just took it about an hour ago. 10pm here so it was not my first of the day.

Edit: I hear nothing but positive things about QF+. I probably feel more safe doing it that way, just have never subbed before so I am nervous about that.
randymarsh26 Reviewed by randymarsh26 on . First Check Home Test Came Up Negative, Should I Still Use Quick Fix Plus? I have a prescreen employment drug test tomorrow. I haven't smoked in a month (exactly up to the day). I ended up purchasing the 3 oz QuickFix+ Canadian 5.7-1 (with Uric Acid). First time subber here. I bought a FirstCheck home test from CVS. They claim to be up to 99% accurate, and test up to 50 ng/ml. I had a very feint line next to the word drug. They explain in their instructions that if there is any visible line at all, it is negative. I have my drug test with LabCorp. I am still a Rating: 5