Fluker's Farms saltwater concentrate and water conditioner for hermit crabs. This conditioner adds natural sea salt as well as calcium, in addition to removing chlorine and chloramines from tap water. This is a nice and convenient way to make sure your hermit crabs have the salt water they need, which is especially important for their wellbeing. This conditioner also helps with hardening of your crab's exoskeleton after molting. You receive 3 (three) 2 Oz bottles. Add one teaspoon of conditioner per 8 Oz of water. Use every time water is changed