Salt is essential for fish health. Koi and goldfish need some salt to control their electrolyte balance. Salt also promotes the natural slime coating of fish, which protects against fungus and disease as well as reduces stress.
Salt is essential for fish health. Koi and goldfish need some salt to control their electrolyte balance. Salt also promotes the natural slime coating of fish, which protects against fungus and disease as well as reduces stress.