I don't pay as much attention to time as I do color. Evaps don't have color.... well they do... grey or a silvery white... but not pink or blue- dye color. I've seen evap lines on tests w/in the 5 mins before, and sometimes I have to let a test dry to get a good look at the test when I am in squinter territory. I do try to make sure I look within the time frame but tests don't get thrown out around here until AFTER they are dry and I see no line (with color). When you are in squinter territory a squinter BFP can easily hide in the coloring of the wet test strip. Even if you CAN see it within time frame you'll be able to see it even better once it's dry. *disclaimer: Do I advocate leaving tests around all day long to dry before checking them? No. Do I think a squinter that could ONLY be seen AFTER it dried should be considered incontrovertible proof of pregnancy? No. There is a reason they put time limits. BUT *IF* you believe you can see something but the test is muddled like yours during the time frame, allowing the test to dry can give you a better view to see if there really was a line or if it just looked like it because the test was muddled. This may not be a popular opinion but I have taken SOOOOOO many tests that it's kinda like charting for me. Some rules are hard and fast while others have wiggle room provided you understand that you are going outside the recommendations and therefore understand that there is some room for error.