rock wall, glue it or egg crate?
I found a thread regarding gluing live rock to the back of the tank with epoxy or something. Now that I need to find the info, I can't find the thread! My tank's back wall is nasty (prior owner glued mirrors to part of it, his fix to hide the overflow???? and the back will be scratched up after mirror removal). I would like to glue live rock to the back of it, how would I go about doing this? I understand silicone lets go after a period of time. Can this be done using rock that is wet or would I have to dry my live rock out before gluing it? I am not opposed to egg crate as a frame to put rock on but I am afraid of things getting stuck behind and dying. This may let me be more creative, I can use foam to create caves etc. and use electrical ties to strap live rock (may have to drill holes in some so they sit properly)
What is the pros and cons of each method?
1) gluing rock directly on back of tank
or
2) using egg crate as a structure and get creative from there.
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