Product Description Drinking area for land Hermit Crabs. Prevents drinking sponges from quickly drying outCrabworx Drinking Pool is an ideal way to ensure that your crabshave easy access to ample amounts of drinking water. Simply placeone or two drinking sponges in the pool then add de-chlorinated freshdrinking water until a small amount of water remains in the pool.Drinking Pool and sponges should be cleaned daily.