Help! First timer...

Holly • nanny • wife • mama

I’ve never used opk’s before, but I decided to try it this month. I took one and got a faint line, so I’m not ovulating today (which I knew, I’m CD7). Just wondering if it looks like it’s close? I don’t know much about these. And based on how this test looks, when should I test again? Or should I just test until it’s dark?? Thanks!