If you are making a super soil, its best to let it cook off because its not unlike compost in that it does get pretty hot! The ingredients need to mellow. You can use garden soil and the make compost or comfry tea and avoid the expense of ingredients.
These plants are in straight soil with 5 gallon bucket if comfry tea mixed into a 55 gallon drum. Ratio apprix 10 :1.
As you can see, they are perfectly healthy and green for days. Super cheap and easy… look up comfry tea on internet for more information