Feature:1. Tortoise stone is rich in trace elements, which are good for reptiles to chew and teething.2. This mineral supplements can be placed directly in the breeding environment for crawling pets to eat.3. Aquarium calcium stone is safe for all sea turtles, reptiles, terrestrial animals and other aquatic life.4. It can be dissolved in water for drinking, and it can also be eaten with feed in aqueous solution.5. The fish tank calcium stone is economically friendly, and the nutrients are soluble in the calcium stone and will not pollute the water body.Specification:Item Type: Fish Tank Calcium StoneMaterial: Mineral BlockProduct Size: Approx. 12x12x12mm/0.5x0.5x0.5inPackage List:1 x Mineral Stone (Contains 6 Pieces)Note:This product is made for pets, please do not eat.