Ok, so phase 2 is finally complete. Lots of pics - moss I applied by chopping into super fine pieces (fast moving scissors in a cup with a small amount of water and some moss). No way I'm putting that in the blender, though it did smell like it would make a great "green juice". The christmas moss was in slightly larger chunks so I just grabbed a bunch with my tweezers and put in on the rocks. The fissidens was much finer so I used a syringe to apply it, letting it flow down the rock face and catch on to the rough spots. Finally made sure there's enough water that the substrate was soaked but not pooling, and covered with cling wrap.
Ready to start
Chopped up christmas moss
Mosses applied - fissidens on left and christmas on right
Syringe application of fissidens
Ready to be sealed! Fingers crossed - I added Monte Carlo to carpet the foreground and some pearl weed along the cliff face.