Faint line? Or negative?

I took this test with SMU, didn’t see really anything then went to take a shower. I saw it again after 30 minutes, now I think I see a line. Do these evap lines show this quickly? I know these are notorious for these. I took one yesterday and couldn’t tell if I saw anything, and when I checked this morning I saw a faint line but it had color. I’m not sure what to make of these!

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