Thanks for all the replies! I feel like it'd be more productive to actually talk to somebody in person but nobody around here knows of all this stuff, or those that do don't work at photo stores.
I've seen 1:7 and 1:9. My problem has to do with getting the right development time.
Could anybody recommend a developing time for tmax100 film with tmaxRS mixed directly from concentrate?
My problem is that I assume the massive dev chart times that say "stock" assume that I've already mixed the concentrate with water to make 1 gallon of stock solution. As far as I've guessed, if I make one gallon using the whole concentrated mix of A and B, then it would be closer to 1:4, wouldn't it? Since the concentrate of A+B is right around 26oz and a gallon is something like 128oz, right?