just experience? I'm looking for insighti do not think there is 1 true answer to your question
well i used fox farm soil trio and nothing else and had one of my best grows so you can do it , now i use organic gaia green all purpose , and power bloom and i add bone meal and every watering has cal mag and kelp extract so im not sure i could say i just use a and b nowjust experience? I'm looking for insight