Salt has been used by koi keepers for years either as a bath treatment or in the pond itself. Every serious Koi keeper should have a bag or two of salt to hand for use when needed. Salt has many advantages and it is widely accepted that a dose rate of a ½ oz per gallon is recommended for reducing stress and aiding in the healing of knocks and bumps in Koi and other pond fish. Food Grade Pure Dried Vacuum Salt Can be used to reduce stress and improve fish health Helps to reduce toxicity of high nitrite levels General use to help improve colour and appetite Aids in the healing of wounds and ulcers Recommended dose rate ½ oz per gallon