I heard about this a couple months ago from another reefer. I found a video from Tidal Gardens showing the technique and what rock structures they built
QUESTION OF THE DAY - Aquascaping GLUE and some gluing tips for your rocks!, Page 5
QUESTION OF THE DAY - What's your experience with Live Rock Epoxy or Cement?, Page 3
QUESTION OF THE DAY - Aquascaping GLUE and some gluing tips for your rocks!, Page 5
DIY Porthole - Dip your camera lens into the Water!, Bay Area Reefers
Does Sand & Baking Soda bonded w/ Cyanoacrylate really work for Aquascaping?
Sticking Rocks Together, Epoxy, Acrylic Rods, Glue?
Mrh12 06 jun2012 ol by Brian Andersen - Issuu
NSA aquascaping using superglue and rock dust!, Bay Area Reefers
BRStv Buyers Guide To Aquascaping Adhesives - Bulk Reef Supply