Phosphates are particularly important for the growth and development of plant roots, and hence are one of the most common fertilizers used in agriculture. In addition, phosphates are usually utilized in detergents and are needed, ...
The Hanna Checker Kit includes 4 of the most commonly used Hanna Checkers used in the Reef Aquarium.
Alkalinity (dKH) Checker - conveniently read results in dKH rather than ppm - includes liquid reagent ...
The Hanna Checker Kit includes 4 of the most commonly used Hanna Checkers used in the Marine Aquarium.
Phosphate Checker - includes reagent for 6 tests
Calcium Checker - includes reagent for 15 tests
Designed for Research Grade Analysis HANNA‘s HI 96822 Digital Refractometer is a rugged portable, water resistant device that utilizes the measurement of the refractive index to determine the salinity of natural and artificial ...
Hanna Instruments Replacement Electrode for DiST 5 Waterproof Low Range EC/TDS/Temperature Tester
Spare pH electrode, with Teflon ® junction, 2 m (6.6') cable, for general purpose, water treatment and agriculture.
The HANNA HI 711 Checker HC bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and only give 5 to 10 points resolution while professional instrumentation ca...
The HI98100 Checker Plus is the next generation of the original Hanna Checker pH tester. The Checker is the most popular pH meter in the world with over 1 million meters used since its introduction in 1991. From students to resear...
High accuracy with 0.01 pH resolution
Two point fast and accurate calibration
Usable with virtually any electrode that shares the same connector
3000 hours of battery life
HI 1270 small diameter probe fitseasily into a ...
0.00 and 1.00 ppm standards (iron) for Hanna Checker HI721: Iron
Great for testing proper functionality of your Hanna Checker HI721 Checker.
Reagent kit for 25 Chlorine tests Range: 0.00 to 2.50 mg/L