Fresh Water Hanna Checkers
Hanna Instruments Freshwater Testing Colorimeters are easy to use and give easy to read, repeatable results. They have a wide range of colorimeters that can test your Freshwater aquarium for hardness, chlorine, ammonia, nitrate, and much more!
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Hanna InstrumentsTotal Chlorine Ultra Low Range Colorimeter HI761 Hanna Checker - Fresh Water$49.95
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Hanna InstrumentsPhosphate High Range Colorimeter HI717 Hanna Checker - Fresh & Marine Water$49.95
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Hanna InstrumentsHI713-11 Phosphate Calibration Check Set for HI713 Checker - Hanna Instruments$12.00
