member_293730 2 years ago
If you add three drops of water to the positive looking one and it you can still see color in the line, then I think it would be a true BFP. I’ve read about that, at least. 
member_293730 2 years ago
If you add three drops of water to the positive looking one and it you can still see color in the line, then I think it would be a true BFP. I’ve read about that, at least.