Seachem Cichlid Lake Salt 4 kg (8.8 lbs). Is a chemically sound blend of inorganic salts designed to replicate the waters of the rift lakes. It contains all essential elements such as magnesium, calcium, potassium, sulfate and chloride. It also includes trace elements such as iron, manganese and iodide. It does not include any unnecessary or harmful constituents such as nitrates, phosphates cadmium, lithium, or arsenic. South and Central American Cichlids will also benefit from the use of this salt. Use in combination with either Seachem's Tanganyika buffer or Malawi/Victoria buffer. 250g treats 600--2,000L (160--500gallons) depending on the target lake. This item is a special order item only.