Opk question

Raquel • Married.Mom 👶🏻 10/15/14. 👧🏻 2/12/19. Pregnant with baby #3 due in December 2020

Ok everyone I been using the first response fertility opks I’ve been testing around 3pm everyday since my cycle ended on nov 7. This past week all I been getting a faint line. Am I testing right or am I supposed to be testing earlier plz help. We really hope this is our month. Comments plz