So I did decide to put the water in and get it cycling to see what I could save from the substrate. Excited to see a huge MTS in there on the wall this morning. Gives me hope that bacteria made it too. Now just to get them in the filters (FX5 and Eheim 2180).
~30 Rummy-nose Tetras, ~30 Balloon Lamp-eye Tetras, 2 Bristlenose Plecos, 4 German Blue Rams, 1 Rainbow Shark ~15 Amano Shrimp, 8 Roseline Sharks, 3 Clown Loaches, 2 SAEs