I use perlite/coco watering in a 3 inch diameter around the stem 1liter 2 times a day in seedling stage then go to 5 liters every 2 days 5gal pots I get 25 percent runoff.
Good luck happy growing
I use coco perlite 70/30 my nutes are gen hydrophonics trio feed every day always use calmag you can't over water coco pH is at 6.1(sweet zone) these autos are 5weeks old