If there's limited time to prepare, always keep a heat pad with you to heat the QF. Some the cheap dollar store ones seem to heat faster than the one that comes with QF. Yes rubbing your thumb on your jeans and pressing it against the temp strip works good in a pinch. Remember. Most people can't pee on command so there is nothing wrong with stalling to give the heat pad time to work.
killerweed420 Reviewed by killerweed420 on . Substitution questions. I have ordered QF synthetic and was wondering if I find that my temp is too low at test time and I have diluted as an emergency backup, can I use my diluted urine to bring the sample temp up. I haven't had time to practice yet and my randoms could be at any time during the week. I've suffered through 6 randoms this year with 3 coming back diluted/retest. My retests are observed so I dont want have any more diluted results. I just found this forum and plan to follow the dilution sticky for Rating: 5