Zoo Med Repti Calcium with D3 Reptile Supplement is a phosphorus-free calcium supplement for reptiles and amphibians. ZooMed only uses precipitated calcium carbonate which is white in color and is essentially lead free. Pure calcium carbonate is white, not gray. Features: For reptiles and amphibians only Includes: 1 – Jar of Repti Calcium Intended For: Reptiles and amphibians Weight: Net Wt. 3 oz (85 g) Caution: For use with reptiles and amphibians only. Keep out of reach of children. Directions: Insectivores: Place crickets in a plastic bag along with repti calcium and shake to dust crickets with the powder. Feed approximately 12 dusted crickets per week for every 2.5 ounces of body weight. Herbivores: Add approximately 1/2 teaspoon (2.5 cc) Repti Calcium to food for every 5 ounces of body weight on a weekly basis. Omnivores: Use either of the above methods. NUTRITIONAL INFORMATION Ingredients: Precipitated Calcium Carbonate, Cholecalciferol (Source of Vitamin D3) Guaranteed Analysis: Moisture (max) 1.0%Calcium (min) 38.0%Calcium (max) 43.0%Vitamin D3 (min) 10, 390 IU Zoo Med Repti Calcium Reptile Supplement in White, Size: 3 Fl oz | PetSmart