I bought this encrusting montipora a few months back, after a couple weeks I saw green star polyps growing on part of the rock so I broke the rock in two to seprate them. The rock is very hard, I ended up having to make a deep groove with a cutoff disc on a dremel and was finally able to split it with a chisel. Then a couple of weeks ago I noticed a bright green tunicate growing under the montipora, the coral has started growing really fast and is starting to overgrow the tunicate. Because of the cool color I'd really like to keep it from getting smothered, does anyone have any suggestions on how I can separate the two without killing them?
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