Just small dose, like 1tsp per 2 week, starting @ 3rd week of veg. I also add seaweed extract in water around 2-3ml per gal. Since this dcm fertz it has bone meal in it for cal.
The dcm bag suggested 1:8 soil. Right now the plant is in a 9L pot.
I just checked my runoff is at 6.5ph. Ppm @820