OPK and drinking too much water?

Kat • I am a Texan abroad with my sweet hubby and a beautiful 19 month old daughter and trying to conceive our second child.

Has anyone else had trouble getting a positive OPK with the line darker than the control line? I drink so much water that I think my urine is always diluted. I guess it is possible that I just haven't ovulated but the line was almost as dark as the control line on the 27th and has been way lighter since then.