Anyone ever used the iProven brand OPKs??

Meagan • 👼🏻👼🏻 🌈👶🏻 Bryson Lendell 8/14/20 💙

I've used other brands before and they always say that for a positive LH surge, the test line has to be as dark or darker than the control.. is this test different? Or am I just reading it wrong?🤔