Aquarium salt helps to maintain general health and well being of freshwater fish. Freshwater fish require slight amounts of salt in the water between 0.1% and 0.3% to replenish vital electrolytes for absorbing oxygen. Aquarium salt can also help to aid in the treatment of some common ailments and denitrify the aquarium water.

Instructions: Add at a rate of 10 grams of aquarium salt to 20 litres of aquarium water. Put aquarium salt in to a container and add some aquarium water to dissolve the salt. The add to aquarium. Repeat when changing water only dosing the amount of new water added as the crystals will not evaporate or filter out.

Note: Do not use in aquariums with catfish, discus, or betta's. If concerned with how it will affect your fish consult an aquarium specialist. Over dosing will be fatal to fish.