Help ovulation sticks

Christine • Angel mummy of two 👼🏻✨ 23/01/19 & 03/10/18 ✨❤️Paul❤️

I’m going back to basics with trying to conceive- I’m trying ovulation sticks. I know I need the line to be as dark / darker than the control line. But what is going on?

Can someone look at these and say how far off I am?