Hanna HI 713 Phosphate Photometer for Marine Aquariums Candy Refractometer Checking these fluids will allow

Checking these fluids will allow you to measure your radiator and battery’s performance

please consider the ATAGO Master-PM - it is a plastic unit and very resistant to hostile environments

BREWfractometer™ Product Specs:

This unit comes with an unmatchable TEN YEAR WARRANTY

Hanna HI 713 Phosphate Photometer for Marine Aquariums Candy Refractometer Checking these fluids will allowItem Description: Brand New Hanna Instruments HI 713 CheckerHC Free Phosphate Photometer 0. 00 2. 50 ppm(mg l) NO REAGENTS FINALLY! A SIMPLE LOW LEVEL PHOSPHATE TEST! THIS LISTING IS FOR: (1) HANNA HI713 PHOSPHATE CHECKER Hanna HI 713 Checker Colorimeter SPECS: Range 0. 00 to 2. 50 ppm (mg L) Resolution 0. 01 ppm (mg L) Precision 0. 04 ppm (mg L) 4% of reading @ 25C Light Source LED @ 525 nm Light Detector Silicon photocell Environment 0 to 50C (32 to