Magnesium and water quality
Magnesium: Magnesium is widely distributed in ores and minerals. It is also very chemically
active; therefore it is not found in the elemental state in nature. With the exception of
magnesium hydroxide, which has a high pH value, its salts are very soluble. Magnesium ions are
of particular importance in water pollution. They may contribute to water hardness.
Concentrations of magnesium and calcium in water may also be a factor in the distribution of
certain crustaceans, fish and other organisms in streams.
Criteria: No criteria exist for this metal.
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