Zoo Med Hermit Crab Sand; Available in 5 colours Zoo Med Online Price $7.98Regular Price $9.47 White - $7.98 Yellow - $7.98 Blue - $7.98 Green - $7.98 Mauve - $7.98 Quantity This variant is currently sold out A calcium carbonate sand substrate for Hermit Crabs. Available in five fun colors! Additional Information: Provides a source of calcium necessary for the health of all Hermit Crabs. Available in Blue, Green, Mauve, White, and Yellow. 2 lb bags Customer Reviews No reviews yet Let us know what you think!