I would definitely drill some holes then use reef epoxy in the rock hole. When you jam the rod in some will hopefully squeeze in creating a mechanical bond. You could also roll out the epoxy and wrap the rod first then jam it in.
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210 Gallon slowly gaining population.
Foxface, Naso, Coral Beauty, 2 Clowns, 2 Chromis, Orange Anthias, and Striped Goby.
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