Evaporation line, pink tests are better as less likely to have the false line x
You shouldn’t read tests after the allotted wait time. If they were negative after the 2mins or whatever it is then it’s negative.
Evaporation
After an hour, i think the test is invalid so it would be negative
Looks like an evaporation line to me. I had one do it to me an hour later but the clear blue need reading within 20mins or something like that due to this exact reason.