Micro-Fine Calcium powder with no Vitamin D. This is best for species kept outdoors, and given daily exposure to natural sunlight or high levels of UVB radiation from specialty bulbs.
Calcium Carbonate is mined from the Mohave Desert in California, where it was deposited 300 million years ago during the Mississippian Age as a large graveyard of marine animals.
Micro ground to an average size of 3.5 microns, and provides the ultimate “stick” when dusted onto insects.