JurassiCal - Liquid, 250 mL / 8.5 fl. oz. Liquid Calcium Supplement For Reptiles And Amphibians A Concentrated Phosphorus 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 Excess Can Lead To Hyperkalemia