Seachem Cichlid Lake Salt Water Treatment Fish & ; Aquatic Life Supplement, For more than 30 years, aquarium hobbyists have turned to Seachem Laboratories for products designed by chemists and biologists. Recreate the natural environment of African Cichlids with Seachem Cichlid Lake Salt. This blend of salts contains appropriate amounts of calcium, magnesium, sodium, and potassium as well as trace components such as iron, aluminum and iodide. Seachem Cichlid Lake Salt does not affect the water's alkalinity or pH, just its hardness. Ingredients: magnesium chloride, calcium chloride, potassium sulfate, sodium chloride, aluminum sulfate, iron sulfate, potassium iodide Guaranteed Analysis: Calcium (min) - 3.24% Calcium (max) - 3.5% Magnesium (min) - 11.83% Potassium (min) - 10.08% Sodium (min) - 3.53% Sodium (max) - 3.75% Aluminum (min) - 0.9 mg Iodine (min) - 0.02 mg Iron (min) - 0.2mg Selenium (min) - 0.00002 mg Zinc (min) - 0.007 mg.