Jurassical - Dry, 150 G / 5.3 Oz Calcium Supplement For Reptiles And Amphibians A Concentrated Phosphate Free Source Of Calcium For Reptiles And Amphibians Free Of Phosphorus To Allow For Easier Balancing Of The Calcium To Phosphorus Ratio Ideal For Reptiles Also Free Of Vitamin D3 Which In Excessive Amounts Can Be Toxic And Lead To Hypercalcemia