Do hermit crabs need salt water to survive?

Hermit Crabs need a bowl of both freshwater and a bowl of saltwater to survive. ... If smaller crabs within the cage might have a challenge getting in and out of the water dishes, a small natural sea sponge can be placed into each dish to act as a safety bridge to prevent drowning. read more

Hermit crabs use the water to drink, bathe and replenish their shell water (extra water they carry within the back of their shell). By providing both fresh and salt water you are letting the crab decide for themselves what they need. Chlorine found in tap water is harmful to hermit crabs. read more

Most terrariums have a salt water pool and a fresh water pool. They are fine with either, but both gives them a choice to decide what they need. “ Chlorine found in tap water is harmful to hermit crabs. In order to make tap water safe, dechlorinator drops can be used to remove Chlorine. read more

Handle your crabs under the water. Unlike land crabs, saltwater hermit crabs are marine animals that need to be submerged. If your crabs are coastal crabs, though, they may tolerate being out of the water for short periods. read more