This recipe is for two cubic feet of soil (15 gallons)
Base Mix
7.5 gallons of peat moss
4.5 gallons of perlite
3 gallons of fresh EWC or compost
2.5 cups of dolomite lime
Ammend with
2 cups bone meal
1 cup blood meal
1 cup kelp meal
1 cup greensand (optional)
Save a few gallons of the base mix for seedlings and clones. Let the mix sit for 3-4 weeks before using keeping it slightly moist.