Ovulation Frustration! Need advice please!

So according to Glow today is my peak day to BD. So about to get in shower and decided to take an ovulation strip test that I've had thrown in my drawer since about the summer. Well I was a little messy with it (I'm so bad w peeing on a stick lol) and at first I thought it was invalid since the urine seemed to have gone into the results window. Anyway, I came out of the shower and it seemed to have dried up but after staring & squinting it seems to be a negative result! 💔
Should I retest, BD anyway or use FMU? I have been drinking a lotttt of water recently and read that could affect it but am now feeling down thinking that I'm not ovulating as I had been under the impression I was... Please any help or tips are appreciated!!