Hanna HC HI755-11 Calibration Set - Marine Alkalinity ® Skimmer perfect for the small to

perfect for the small to medium reef tank

Power Consumption: 8-19 Watts

Finally we've added  sliding glass covers over the sump to help reduce evaporation

Continuum Reagents Refractometer Calibration Standard is designed to provide an accurate reference for the calibration of seawater refractometers

Hanna HC HI755-11 Calibration Set - Marine Alkalinity ® Skimmer perfect for the small toThe Marine Alkalinity Checker HC Calibration Check Set HI755 11 provides a simple solution to validating the Marine Alkalinity Checker HC HI755 that has a range of 0 to 300 ppm CaCO3. 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