Blue dye evap or faint positive?

Alyssa

I got a faint line on a FRER last night, but negative on another one today. I did however take this equate blue dye and I can’t tell if I think this is an evap or not. The first picture is as the dye is running, about 2 minutes or so, and then the others are after the dye settled.

I feel like it isn’t possible that my First Response was negative today but this could be a real line.

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