I am finally getting to making the chemicals today from Photographer's Formulary's PMK and T4.

1. After shaking the T4 real well, can I only make say 1/2 gal of the full 1 gal capacity by still using the recommended 1 part t4 : 3 parts water?

And 2. More complicated. Regarding PMK restaining, Aggie was nice enough to call Gordon to clarify need to restain after fix. Gordon said, if using non-acid T4 fix, no need to restain. But the instructions w. the PMK
says to give a 2 min restain in the dev. even if using T4.."the alkali after bath induces the negative stain". So which way is right???