Multiple positive OPK's advice needed

Renae • 💙 '09....💙 '11....💔 '14.... 💔 '14....💔 '15....💔 '16....💔 '17....💜 12/12/17
Has any1 ever experienced multiple positive opks? I got a positive 2 days ago so I logged that it as a pos. But tonight when I did my 7pm opk it was a much darker positive....im so confused. Can some1 shed some light please?? Heres 2 pics the top will be 2 nights ago and then the bottom will be tonights. Please some1 help.