There's no way..

There's no way I can have 5 positive blue dye right?? I've started taking pink dye because I was told blue dyes have evap lines, but they're all coming out negative.. but these are all taken in the time frame, all have color, and all the same thickness as the control line. So there's no way these are all wrong right? Maybe pink dye just doesn't work for me? Idk Im so confused.

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