Recommended terrarium substrate for many species of snakes, lizards, land turtles, tortoises, frogs, toads, salamanders, tarantulas, and other invertebratesRecommended terrarium substrate for many species of snakes, lizards, land turtles, tortoises, frogs, toads, salamanders, tarantulasGreat for snakes, amphibians, or tropical species of tortoisesReptiles and amphibes