.
π± : LST and defoliation on day 49
π§ : 4l day 53, no pk13/14, 4l day 55
π‘ : Dli: 40 mol/mΒ²/d
π€ : After optimizing many things, I suspect that I'm adding pk 13/14 too early, which then leads to a magnesium deficiency due to too much potassium from pk 13/14 and calcium from the tap water (16.1Β°dH, calcium 80.8 mg/l, magnesium 21.0 mg/l).