i use QF4.0 keep it between my leg and nuts wear spandex shorts keeps temp 96-97 allday long great for random
hlnss Reviewed by hlnss on . Getting your urine to optimal Temp. As many of you are probably aware, When you take a drug screen, your urine must be a certain temp. in order for the Lab to accept it. I'm not sure the exact number, But I believe it is between 90-100 Degrees F? Your urine must fill up to the black strip, which then changes to a certain color based upon its temp once they meet. My last pre employment test, I got really lucky. he let the temperature slide, and accepted it. I had stored urine in a baby food jar stashed above my crotch. My Rating: 5