Yeah, I don't trust blue dyes either. I got a BFP when Isaiah was 9 weeks old (4 weeks post vas) on a blue dye, and it turned out to be a chemical pregnancy.
This was mine
https://img.photobucket.com/albums/v477/Canerican/DSC01291.jpg
https://img.photobucket.com/albums/v477/Canerican/DSC01300.jpg
If it asks for a password, it's delenda