I've taken four cheap blue dye tests and got super faint positives. I had to hold them to a light to see them, but I know they were there because other people saw them too. I'm going to take a pink dye test, it's First Response. It says on the box "detects several types of pregnancy hormones" or something along the lines of that. Has anyone used this test and what are your chances of getting a positive if your six weeks along?