API Aquarium Salt

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  • Provides essential electrolytes freshwater fish need
  • Improves gill function
  • Reduces stress
  • Promotes disease recovery
  • Improves efficiency of medications and reduces the harmful effects of nitrite

Freshwater fish actively maintain a natural balance of electrolytes in their body fluids. Electrolytes are essential for the uptake of oxygen and the release of carbon dioxide and ammonia through their gills. A lack of electrolytes may cause serious health problems or susceptibility to diseases. API Aquarium Salt, made from evaporated sea water, provides these essential electrolytes that improves gill function and reduces stress.

Instructions for Use

When to Use:

Use API Aquarium salt when setting up a freshwater aquarium or fish bowl, changing water and treating fish disease.


Add 1 rounded tablespoon for every 5 U.S. gallons (20 L), or 1/2 rounded teaspoon for every U.S. gallon (4 L) of aquarium water.

Note: Aquarium salt does not evaporate, and is not filtered out, so it should only be added with each water change. Some plants may be sensitive to salt, so use with care.