eXact Micro test strips to suit eXact Micro photometers. Using Phthalein Blue chemistry, the strips enable measurement of total hardness (as CaCO3) easily and accurately. Bottle of 50 strips
eXact Micro test strips to suit eXact Micro photometers. Using Phthalein Blue chemistry, the strips enable measurement of total hardness (as CaCO3) easily and accurately. Bottle of 50 strips