Hanna Handheld Colorimeter Checkers

Product Code: RHA98319
Designed to bring simplicity to salinity testing during the any process, the Hanna Salinity Tester measures conductivity (EC) to determine the salinity of natural and artificial seawater. Within seconds, the salinity and temperature are digitally displayed on the LCD.

Product Code: RHA01783
The Hanna Magnesium Colorimeter Checker (HI783) is designed to accurately and quickly determine the magnesium level in marine (saltwater) samples. The digital readout makes measurements effortless.

Product Code: RHA00781
Get highly accurate results with the Hanna Low Range Marine Nitrate Colorimeter Checker. With a digital read out, there is no more struggling to determine colors visually. This nitrate tester's compact design fits in your pocket or easily stores in a drawer or testing bin with your other equipment. Note: We can not ship this Test Kit expedited or to Hawaii, Alaska or Puerto Rico.

Product Code: RHA00772
Get accurate results for your saltwater aquarium with the simple Hanna Seawater Alkalinity (dKH) Colorimeter Checker. This alkalinity colorimeter bridges the gap between alkalinity test kits and advanced instrumentation.

Product Code: RHA00782
The Hanna Marine Nitrate HR (ppm) Colorimeter Checker is a simple, accurate, and cost-effective way to measure nitrate from 0.00 to 5.00 ppm (as NO3–) in your saltwater aquarium. For samples containing 5.0 to 50.0 ppm nitrate, follow the approved dilution procedure. Note: We can not ship this Test Kit expedited or to Hawaii, Alaska or Puerto Rico.

Product Code: RHA00774
With the Hanna Ultra Low Range Phosphate Colorimeter Checker, you won't have to worry about the subjectivity of color charts. The Hanna colorimeter eliminates the effort of matching to a color chart by delivering a direct copper result digitally. Note: We can not ship this Test Kit expedited or to Hawaii, Alaska or Puerto Rico

Product Code: RHA00758
With the Hanna Calcium Colorimeter Checker, you won't have to worry about the subjectivity of color charts. The Hanna colorimeter eliminates the effort of matching to a color chart by delivering a direct copper result digitally.

Product Code: RHA00713
With the Hanna Low Range Phosphate Colorimeter Checker, you won't have to worry about the subjectivity of color charts. The Hanna colorimeter eliminates the effort of matching to a color chart by delivering a direct phosphate result digitally. Note: We can not ship this Test Kit expedited or to Hawaii, Alaska or Puerto Rico

Product Code: RHA00702
With the Hanna High Range Copper Colorimeter Checker, you won't have to worry about the subjectivity of color charts. The Hanna colorimeter eliminates the effort of matching to a color chart by delivering a direct copper result digitally. Note: We can not ship this Test Kit expedited or to Hawaii, Alaska or Puerto Rico

Product Code: RHA00780
The Hanna Marine pH Colorimeter Checker is a simple, accurate and cost effective way to measure pH in saltwater. With a digital readout, there is no more struggling to determine colors visually.

Product Code: RHA70225
25 packs of the reagent for the High Range Copper Colorimeter Checker.Note: We can not ship this Test Kit expedited or to Hawaii, Alaska or Puerto Rico

Product Code: RHA75826
25 reagent tests for the Hanna Calcium Colorimeter Checker. Note: We can not ship this Test Kit expedited or to Hawaii, Alaska or Puerto Rico

Product Code: RHA78325
25 packs of the reagent for the Hanna Magnesium Colorimeter Checker.

Product Code: RHA78225
25 packs of the reagent for the Hanna Marine Nitrate HR (ppm) Colorimeter Checker. Note: We can not ship this Test Kit expedited or to Hawaii, Alaska or Puerto Rico.

Product Code: RHA78125
25 packs of the reagent for the Hanna Low Range Marine Nitrate Colorimeter Checker. Note: We can not ship this Test Kit expedited or to Hawaii, Alaska or Puerto Rico

Product Code: RHA78025
Bottle with Reagents for 100 tests for the Hanna Marine pH Colorimeter Checker.

Product Code: RHA77226
25 reagent tests for the Hanna Calcium Alkalinity (dKH) Checker.

Product Code: RHA77425
25 reagent tests for the Hanna Ultra Low Range Phosphate Colorimeter Checker. Note: We can not ship this Test Kit expedited or to Hawaii, Alaska or Puerto Rico

Product Code: RHA71325
25 packs of the reagent for the Hanna Low Range Phosphate Colorimeter Checker. Note: We can not ship this Test Kit expedited or to Hawaii, Alaska or Puerto Rico

Product Code: RHA70024
The Hanna Salinity Calibration Solution is for the Hanna Salinity Tester. This single-use sachet is made of light-blocking foil that prevents oxidation, ensuring the solutions are as fresh as the day it was packaged.