Positive or evap? Seem to get darker with time.

[Chloe1012]

Productive or evap? Seem to get darker with time. Blue in colour in person.
only seem to appear after almost 30 mins. Then continue to darken?

after the time I’m afraid it’s not a valid result. Was it there after 5min?

It was there extremely faint to the point I was thinking is it or isn’t it… then darker with time