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Replenish your HI717 with the correct two-part chemistry. Genuine Hanna liquid-and-powder reagents provide 40 phosphate high range tests—not 25—with lot and expiration traceability.
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Compatible HI717 instrument; choose meter-only or kit where offered.
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HI717-25 replenishes the HI717 Phosphate High Range Checker HC with enough reagent for 40 tests. Despite the “-25” catalog suffix, this is a 40-test pack. It supplies a two-part liquid-and-powder chemistry, not the powder-only low range reagent used with the HI713.
The ready-made liquid and pre-measured powder packets keep routine preparation straightforward. Lot numbers and expiration dates on the dropper bottles and packets help maintain reagent traceability. Match both reagent components to the HI717 high range method before starting a test.
The HI717 uses an adaptation of the Heteropolymolybdenum Blue Method in Standard Methods for the Examination of Water and Wastewater, 18th Edition. The reaction with orthophosphate produces a blue tint that the HI717 reads as phosphate concentration from 0.0 to 30.0 ppm (mg/L). Follow the exact HI717 procedure rather than a low range phosphate method.
Zero the HI717 with 10 mL of unreacted sample. Add 10 drops of HI717AS liquid reagent and the contents of one HI717B-0 powder packet. Replace the cap and shake gently until the powder is completely dissolved. Use the five-minute countdown before reading. The linked HI717 manual provides the full sequence and instrument guidance.
Keep the cuvette exterior clean and dry, avoid bubbles and respect the specified reaction timing. Review the linked Safety Data Sheets before handling and arrange appropriate disposal of reagents and reacted samples. Hanna restricts products classified as dangerous goods to ground shipping; confirm shipping eligibility before selecting an expedited service.
Each HI717-25 set supplies enough liquid and powder reagent for 40 high range phosphate tests. Both components are required for each test. The HI717 Checker, cuvettes and HI717-11 calibration-check standards are not included. Select this set for the HI717—not for the HI713—and plan consumption against the expiration dates on supplied stock.
It is a 40-test pack. Both the current Hanna reagent page and the HI717 manual specify 40 phosphate high range tests, despite the -25 catalog suffix.
HI717-25 is verified for the HI717 Phosphate High Range Checker HC. It is not interchangeable with the HI713-25 low range reagent.
The HI717 procedure requires 10 drops of HI717AS liquid reagent and one packet of HI717B-0 powder reagent. Both components are required; do not use the powder alone.
The HI717 method measures 0.0 to 30.0 ppm as phosphate, equivalent to mg/L. Reagent replacement does not change the instrument range.
After adding both reagents and gently shaking until the powder dissolves, use the five-minute countdown specified in the HI717 manual before reading.
No. This listing supplies replacement reagents only. The compatible instrument, cuvettes, caps and calibration-check standards are separate products.
Read the lot number and expiration date on the supplied reagent packaging. Manufacturer photographs are illustrative; their printed dates do not identify the lot or expiration date you will receive.
Read the linked Safety Data Sheets and the exact instrument procedure before testing. Use appropriate protection, keep cuvettes clean and dry outside, avoid bubbles and arrange suitable disposal of reagents and reacted samples.
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