An all natural calcium substrate; ideal for true chameleons or any tortoise, snake, lizard, arachnid, or insect that comes from an arid or semi arid environment. The naturally spherical grains won't scratch your valuable animals inside or out! There...
Petco.com
Made of aragonite, the most soluble form of calcium carbonate. Features 100 percent edible and easily digestible and naturally spherical grains that will not scratch valuable animals inside or out. Contains strontium and magnesium while being free of silica and phosphates.
eBay