Needing some advice!!

Ashley • Married❤😇Angel baby9/5/18😇 pregnant with my rainbow💙💖🌈

So after being exactly 40 days late and over the past 2 days having on and off pink spotting I think I can officially say I started af.. now I need some good brands of ovulation test so I can spot my peak cause as of right now idk when i ovulate and I've never used ovulation tests before so let me know what you think!