I'll save you a lot of time, money and hassle.
https://www.rollitup.org/subcools-old-school-organics/338384-2010-revised-super-soil-recipe.html
Some of my results using the recipe.
https://www.rollitup.org/subcools-old-school-organics/454086-t-ray-using-supersoil.html
Subcool's SS is legit.