The Pin Cushion Urchin is a valued clean‑up‑crew addition sold in‑store here in Columbus, Ohio. It acts as a algae‑eating urchin, even coralline, helping reduce maintenance and improve water quality. Stock 1 per 40 gal in a balanced reef or fish‑only system for best results. Difficulty: Easy‑Moderate. May topple loose corals—secure frags. Drip‑acclimate and maintain stable salinity for long‑term health.
