Quote Originally Posted by keyofnight View Post
The processing manual (Z101, I believe) gives solution ratios. I do the math to mix up a 500mL batch, and I use it one-shot.
I just looked at that publication and didn't see any mixing instructions. I did find mixing instructions for replenisher which is way stronger than regular tank solution .... which would quickly explain your overdeveloped and foggy negatives.

Proper mixing instructions can be found here.