Hanna Instruments Ammonia Medium Range Checker Reagents (25 Tests)-HI715-25 aquaponics 200 liters (317 gallons) of

200 liters (317 gallons) of filtered water

Filter Capacity: 200 gallons per filter (verified*)

Lab-Grade Accuracy: NIST-traceable 1382 ppm TDS standard prepared against certified sodium chloride solution for precise meter calibration

1 x Stainless steel spigot assembly

Hanna Instruments Ammonia Medium Range Checker Reagents (25 Tests)-HI715-25 aquaponics 200 liters (317 gallons) ofThe HI715 25 are the replacement reagents for the HI715 Ammonia Low Range Checker HC. These high quality reagents are manufactured in our state of the art facility and are clearly marked with the lot number and expiration date on each bottle for traceability. Pre made reagents for ease of use Prepared with high purity chemicals Marked with expiration date and lot number for traceability The HI715 25 are high quality reagents that are pre measured,