HI758 Hanna Instruments HI758 CALCIUM COLORIMETER HANNA CHECKER - MARINE WATER media/reactors Using reverse osmosis water is

Using reverse osmosis water is recommended

One teaspoon (5 mL) will raise 10 US gallons by 1

ATO EZ Features:

Update on the release: Our Black Storm Clownfish were first released on  November 1st

The higher your membranes rejection rate the fewer TDS your product water will contain resulting in longer lasting resin

HI758 Hanna Instruments HI758 CALCIUM COLORIMETER HANNA CHECKER - MARINE WATER media/reactors Using reverse osmosis water isAlways get accurate results for your saltwater aquarium with our handheld colorimeter. Our saltwater calcium colorimeter fills the gap between calcium test kits and advanced instrumentation. Standard test kits have limited accuracy as they depend on the human eye to determine colors. Our handheld colorimeter eliminates the trouble of matching to a color chart by providing a direct saltwater calcium result in ppm Ca2+. Our portable handheld colorimeter