Sea Sponges are the easy and safe way for your hermit crab to quench its thirst. Not only your crab's preferred way to drink, sponges also provide essential humidity within the cage. These all-natural sea sponges are the perfect choice for your crab habitat. Size: Sponge is approximately 2" x 1" thick.
Instructions: Soak the sponge in water and then place in a very low small water dish. Fill water bowl with water (around sponge). Replace water in bowl as it evaporates. Clean bowl and sponge weekly or as needed.