I see how it could seem this way, but only 1 gal of this total 12 gal mix:
“1 gal starter charge of this mix -- (6.3 gal PromixBX, 2.25 gal Perlite, .5 gal EWC, 9 tbsp 4-4-4, 4.5 tbsp 2-8-4. 9tsp dolomitic lime, 5 tbsp bokashi bran)”
Was used in the recipe; so 1/12th of that total ingredient...