Day 36
The weakest plant is showing more yellowing, other three look good aside from the lower leaves mentioned in the last update. Otherwise, plants are looking healthy with strong, low stress trained branches starting to fill out with little colas
Day 42
Week has been mostly uneventful. Yellowing at the bottom continues, but it doesn't seem to be spreading. With somewhere around 3 weeks left in this run, I'm just gonna continue with water only and see what happens