Am I ovulating? Help!

What a weird month! I have not gotten a positive OPK (not even close) but today I used a ferning microscope and it looks like I am ovulating. Last month when I saw the full ferning pattern I ovulated that day (according to FF). Does this mean that I am ovulating today? I plan on taking another OPK after not drinking for two hours but I was wondering what the deal could be? I always had great luck with OPK's but this batch is a different brand (I think they're called BFP) and they stink.

Does anyone have any experiences?

When in doubt, have attempt (especially in this scenario where you're using "foreign OPK" LOL) YOu can get pregnant by a "too early" attempt but if you wait for a pos OPK that never comes, you can miss the egg all together.