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HI782 Marine Nitrate High Range Checker - Hanna Instruments
Hanna Instruments$63.95The HI782 Marine Nitrate High Range Colorimeter is specifically designed to quickly and accurately determine high levels of nitrate for saltwater aquariums and marine applications. With a digital read out, there is no more struggling to determine colors... -
Hanna HI758 Marine Calcium Checker HC (Saltwater) - Hanna Instruments
Hanna Instruments$63.95Extreme Accuracy. Easy to Test in 4 Steps - Zero the Checker, Add a regent to your water sample, Insert the Vile in the Checker, Read the Numbered Results. BOOM EASY. ZAIR. Zero, Add, Insert, Read. Includes reagents for 25x tests. The HI758...