My current go to mix for autos and photos 40% worm casting/compost, 40% peat, 20% perlite
Amendments:
Gaia green all purpose 4-4-4
3 tablespoons per gallon ,
Azomite 2 tablespoon per gallon ,
seabird guano 1 tablespoon per gallon
**Top dress in flower with gaia green power bloom 2-8-4 and...