Crab Cuisine® features enriched calcium to support shell formation & immune system function shielding your crustaceans from predators & helping them look their best. Ideal for hermit crab diets Crab Cuisine® prevents mold & other problems often found in competing products. This uniquely formulated stick offers multiple advantages: higher calcium levels for shell development quick sinking action for convenient feeding a proprietary manufacturing process that prevents fouling in higher humidity environments & improved form & coloration - all without clouding the water!