I removed him and tried to scrape it off with a scalpel, unsuccessfully. Hard as a rock. There's a small hole, kinda looks like a vermetid hole, but it's not thin and long like a vermetid shell, it's short and round.
The pink stuff is clownfish poop, that's off now.
Params: 0/0/1, 1.025, dkh 8.0, mg 1280, ca 365, pho 0.00 (working on it). Some red cyano and diatoms, a little over 2 months old, 2 ocellaris, 2 shrooms, 1 sarco
