Evap line?

ar

Ok so I tested first with the blue dye after 5 min it showed no line however when I looked again at the blue dye test it shows an evap line this was after 10 min. I know how faulty these blue dye tests are. So I tested with a dollar store test afterwards and it was negative

What do you think?

This pic was within the 5 min window

Then I saw this after 10 min

Dollar store test

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