@Skateallday55 here’s a good starting point. I have since upped the humic acid about 2 or 3 cups and add oyster shell and a few other things.
Subcools super soil 1/2 recipe
1/2 Recipe
4 large bags of a high-quality organic potting soil with coco fiber and mycorrhizae (i.e., your base soil)
12.5 to 25 lbs of organic worm castings
2.5lbs steamed bone meal
2.5lbs bloom bat guano
2.5lbs blood meal
1.5lbs rock phosphate
3/8 cup or 6 tablespoons Epsom Salts
1/4 cup or 4 tablespoon sweet lime (dolomite)
1/4 cup or 4 tablespoons azomite (trace elements)
1 tablespoon powdered humic acid