HANNA HI 713 Checker HC Colorimeter - Phosphate Low Range - 0 to 2.5 ppm - GENTLY USED with REAGENTS Salt Each piece of rock boasts

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HANNA HI 713 Checker HC Colorimeter - Phosphate Low Range - 0 to 2.5 ppm - GENTLY USED with REAGENTS Salt Each piece of rock boastsHI 713 Checker HC Colorimeter Phosphate Low Range 0 to 2. 5 ppm The Hanna Checker HC is a handheld colorimeter that delivers the accuracy and resolution of a professional grade instrument, with the simplicity and affordability of a basic chemical test kit. This pocket sized tester will save you hundreds of dollars in hi tech equipment, while eliminating the need for complicated calibrations and maintenance. This particular model quickly and accurately