Are blue dye pregnancy tests reliable?

Question

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Earlier today i got this faint line but ive been some negative comments about blue dye tests and i sont want to get all excited:( join

Answer

Blue dye tests are really bad for false positives and evap/indent, and you’re not supposed to hold it to a light. You’re always gonna see a line if you hold it up to a light like this

Answer

Regardless of the colour test, you can't hold it up to the light. That will show evaps.