After a steady decline got some advice to stop dosing entirely on account of having a soil base. Suspect toxic water conditions. Can read more starting with this post: http://goo.gl/9AvOdW
Was gone for 48+ hours. Came back and rthe two reddish plants (Behind driftwood and tank right) both didn't fare well.
I forgot to dose Prime before I left. I also had dipped the plants behind the driftwood in H2O2. Going to do a water change. The HC also is browning a bit and too pale ...