HCA: Hermit Crab Association

Most people on here will use just the general ‘playsand’ offered at Lowe’s or Home Depot- sometimes one is a lighter color so watch for that if it’s important to you. (Not I, but some do.) I also use the (approximate) 5:1, and the sand itself has not yet caused any issues for me, I do mix with the ...

Hi there! I know we haven't met before, so welcome to the HCA! Substrate really comes down to personal preference. The HCA recommends the 5:1 playsand to ecoearth ratio mixed with dechlorinated marine saltwater or dechlorinated freshwater to make it sandcastle consistency. I personally have always ...

I have a 55 gallon crab tank and have only used Eco Earth coconut fiber as substrate. I've had my oldest crab for 7 years without any issues from the substrate (other than the occasional mold) and will sometimes plant small spider plants in the tank. I want to completely break down and redo the 'cra...