im no pro, but this has worked well in SunShine Mix4 soiless
after 3 or 4 sets of new leaf start veg nutes at 300ppm, then 600, then 900, then 1200
(some strains u can punch with 1000ppm right from the git go)
flush
start flowering nutes at 1000ppm, then 1200, then 1400, then down to...