HI758-11 Hanna Instruments HI758-11 Marine Calcium Checker® HC Calibration Check Set dosing additives The long contact time between

The long contact time between the water and the air that our skimmers provide is key to successful protein skimming

Item #: SIM2003

It slowly releases small amounts of a stabilized oxygen-chlorine combination which

sludge can lead to unsightly algae growth

About FritzZyme® Trace

HI758-11 Hanna Instruments HI758-11 Marine Calcium Checker® HC Calibration Check Set dosing additives The long contact time betweenThe Marine Calcium Checker HC Calibration Check Set HI758 11 provides a simple solution to validating the Marine Calcium Checker HC HI758 that has a range of 200 to 600 ppm calcium. This high quality set of standards is manufactured in our state of the art facility and comes supplied with a Certificate of Analysis. The Certificate of Analysis provides the lot number, reference values and expiration date for traceability when certifying the CheckerHC.