The commonly used and recommended substrate is 5 parts play sand to 1 part coco fiber. The other sands or stones listed here are safe for using in your crabitat in select areas but not as the primary substrate. Hermit crabs require deep, moist sand to burrow and molt properly. Sand Collecting sand from the beach is not advised. In most areas it is illegal to take sand from the beach. In many areas of the world the beach sand is heavily contaminated from polluted waters. Most owners use play sand found at their local hardware store. Please take note of the quality when purchasing … Continue reading Substrates for Hermit CrabsRead More →