Model AC-DT -Acidity Test Kit, Digital Titrator, Wide Range, 100 Tests

Acidity (P or Total) as CaCO3.  Uses Sodium Hydroxide Digital Titrator method. About acidity: Acidity is usually caused by the presence of mineral acids, salts of strong acids, or free carbon dioxide. In surface or ground waters, acidity may be form natural substances or industrial pollution. Excessive levels cause corrosion and can be detrimental to fish.