Yeah I've had to do this before. But fbr is right. they can't force you to have more than 2 ounces. I was also prepared for the possibility of having to use my own urine by following the dillution sticky the morning of the ua.
killerweed420 Reviewed by killerweed420 on . Will I pass? To sum everything up, I've read through these forums extensively, and I decided to go with substitution. I practiced and had everything right. The only difference from N2's method that I did was that I substituted 3fl oz. of my clean friend's urine into a 3fl oz. mouth wash bottle instead of his recommended 2fl. oz. It's a good thing I brought 3 because it turned out even that wasn't enough! The lab tech handed me that dreaded cup and asked me to fill it half way. This is when I started Rating: 5