I work in a restaurant, and my chef made the mom. so i get there in the morning to make 6 loafs a day and this is how.
1200 grams h20
1400 grams of mom (starter)
1368grams bread flour
376 grams rye flour
51 grams salt

mix H20,mom,flours for 2 minutes
rest 20 minutes
add salt
mix 16 minutes
let it rise for a couple hours and put it in the fridge
then form it and bake it the next day!