Hi713

Phosphate reagent refills for the easy to use, handheld Hanna Phosphate Checker.  Enough reagent for 25 tests.

…Method 4500-P E.   What's Included 1x HI713 Low Range Phosphate Checker 6x HI713 Reagent Packets   Replacement Reagents - HI713-25 Phosphate Checker Reagent Refill   Which is better to test for, Phosphate or Phosphorus? Want to find out - Click Here    HI713 Phosphate Low Range Owners Manual

Easily calibrate and test proper functionality of your Hanna Checker HI713 Phosphate Low Range for fresh and marine water (saltwater). Contains Standard A, Standard B and 1 Packet 713-25 Reagent* Follow instructions in packaging Acceptable results must be between 0.92 and 1.08 ppm at 25°C…