I just took a home test kit on my 2nd void of the day using FIRST CHECK Home marijuana testing kit and I got 2 lines without drinking any water or eating anything, but the drug line is extremely faint, you can barely see the purpleish/red color, BUT it is a line! What are your guys thoughts on this? I know it means im a weak negative, do you think LabCorp will check further and if so should i continue the half dilute? I don't think the full is necessary. Please respond asap! the test is in a couple of hours!