Hey so a couple weeks back i made a slate cave using GE type 1 silicone. I just got some pics yesterday. Heres the final product. Hope you guys like it!
Cat fish and Ghost knife (hard to see him) enjoying the cave!
My eel's favorite spot
Full view cave and rest of tank
View from right side
Buddha on mound of sand on top of cave
Right side view of cave, eel in bottom