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Hanna Core Parameters Kit (772 Alk, 758 Calcium, 783 Magnesium) Checker HC (Saltwater) - Hanna Instruments
Hanna Instruments$194.85772 CheckerThe HI772 Checker®HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure alkalinity in degrees of calcium hardness, commonly abbreviated as dKH. Critical to marine environments, alkalinity not only provides... -
Professional Lab Test Kit - Tropic Marin
Tropic Marin$163.60The test set Tropic Marin® Professional Lab for determining the most important water values in saltwater aquariums including standards for checking the functionality of all test kits. Test set for precise checking of the most important...