If your corals are attatched and are spreading on existing rocks, it can sometimes be a bit tricky to add more rock to the existing aquascape (i would imagine) I think it's basically like putting pieces of a puzzle together. In your case, a little fragging here and there, and you can do whatever you'd like with your rock work.
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20g BB Mixed Reef // Coralife 150w HQI // AquaC Nano // Koralia 1 & Seio 820 // Jager 200w // AC50
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