Everyone has to learn by trial and error, a complex flowchart is Great.
I screenshot & edited it, in case. A few
People are having problems with "Drooping leaves!" If they really need ask, they're at stage 1, I'm not an expert, yet, however my drip feeder is cheap and excellent, Additives like
Calmag, bone meal, enzyme mix, good reliable fertiliser, PH up/down, as soon as I detect a problem, I usually do tests & end up flushing, which I do every 4 weeks.
We all started somewhere & there are so many different opinions on growing, it's best to ask a grower in California, or research, me, trial and error as it's a hobby.