Calling all hermit crab enthusiasts! Get ready for a beach party in your crab's tank with Fluker's Hermit Headquarters Premium Sand Substrate. Hermit crabs need a place to dig and burrow and this encourages just that with the perfect mix of sand, coconut fiber, sea salt, and calcium carbonate, all in one fantastic substrate blend. Developed by Hermit Crab Specialists, this substrate isn't just about looking good-it's a PARTY for your crabs! Probiotics are on the guest list, helping break down organic waste and keeping the habitat squeaky clean. No more crabby mess-just pure, sandy bliss. Create an island paradise for your hermits, complete with the ideal burrowing conditions. It's like a luxury resort for your shell-dwelling pals, with a minimum sand depth that's THREE times the size of your largest crab. Dive deep, molt successfully, and come out looking snazzy! Need some heat? This substrate is an excellent heat conductor, ensuring your crabs are living their best, warmest lives. Best of all - no harmful colors or dyes here! Fluker's Premium Sand Substrate is an all-natural mix that keeps your crab's habitat clean and healthy.