how accurate are home drug tests? ive used one before it came up two lines but when i went for the test at the lab i failed it the line was kind of faint but the directions said any line is negative. the cut off was 50ng. on the home test. any ideas why i failed it?
smokescreen Reviewed by smokescreen on . home drug tests? how accurate are home drug tests? ive used one before it came up two lines but when i went for the test at the lab i failed it the line was kind of faint but the directions said any line is negative. the cut off was 50ng. on the home test. any ideas why i failed it? Rating: 5