The HI 713-25 is a set of 25 phosphate reagent packets for use with the HI 713 phosphate meter.

A reaction between the reagent and phosphate in a sample causes a blue tint to appear, which is measured by the meter...

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The HI 713-25 is a set of 25 phosphate reagent packets for use with the HI 713 phosphate meter.

A reaction between the reagent and phosphate in a sample causes a blue tint to appear, which is measured by the meter. The meter uses an Adaptation of the Standard Methods for the Examination of Water and Wastewater, 20th edition, Ascorbic Acid method to determine the amount of phosphate present.

Hanna Instruments manufactures a wide variety of analytical instrumentation, including pH meters, multi-parameter meters, electrodes, chemical reagents, and buffer solutions. Founded in 1978, Hanna is headquartered in Woonsocket, RI, with subsidiaries in 32 countries. Hanna Instruments holds many firsts in the field of analytical instrumentation, including a pH electrode with a built-in temperature sensor, an electronic pocket-sized pH tester, and a replaceable electrode pH pocket tester. To ensure the quality of its products, Hanna is a vertically integrated manufacturer and does not subcontract any part of its manufacturing.

What’s in the Box?

  • 25 packets of reagent


  • Phosphate reagents for use with HI 713 phosphate meter
  • Includes 25 packets for 25 different readings
  • Phosphate reagents for use with HI 713 phosphate meter
  • Includes 25 packets for 25 different readings

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