Electronic Testers

Brightwell Refractometer Calibration Standard Fluid

$6.99
1.0264 Specific Gravity 1.3394 Refractive Index 35 ppt Salinity 53 uS/cm at 25 deg c Overview Brightwell Aquatics Aquarium Reagents

Hanna Checker Handheld pH Tester HI98103

$44.99
Designed to bring simplicity to pH testing during the any process, the HI98103 Checker® pH Tester is designed for direct

Hanna Checker Handheld Plus pH Tester HI98100

$59.99
Designed to bring simplicity to pH testing during the any process, the HI98100 Hanna Checker® Plus pH Tester is designed

Hanna Checktemp Digital Thermometer HI98501

$54.99
Checktemp® Digital Thermometer is a great choice for easy operation with clear digits and better accuracy over a wide range. Measure

Hanna Marine DiST 1 TDS Tester HI98301

$79.99
The Hanna Instruments HI98301 DiST® 1 is a low-range total dissolved solids tester than can measure up to 2000 ppm (mg/L).

Hanna Marine Salinity Tester HI98319

$89.99
  Designed to bring simplicity to salinity testing during the any process, the HI98319 Marine Salinity Tester measures conductivity (EC)

Hanna Deionized Water 230mL

$18.99
Deionized water for your research needs. Air-tight seal to ensure the quality of the solution. Marked with lot number and

Hanna Saltwater Aquarium Alkalinity Colorimeter (ppm) Checker – HI772

$67.99
Improve the accuracy of your results for your saltwater aquarium with our simple handheld colorimeter. Our alkalinity colorimeter closes the

Hanna Saltwater Aquarium Marine Magnesium Colorimeter Checker – HI783

$67.99
The Magnesium Checker® HC (HI783) is designed to accurately and quickly determine the magnesium level in marine (saltwater) samples. The digital readout

Hanna Saltwater Aquarium Nitrate Low Range Colorimeter Checker – HI781

$64.99
The HI781 Marine Nitrate Low Range Colorimeter is designed to accurately determine low range nitrate levels in saltwater aquariums and

Hanna Saltwater Aquarium PH Colorimeter Checker – HI780

$67.99
Get accurate water testing results with the HI780 Marine pH Colorimeter. With a digital read out, there is no more

Hanna Marine Alkalinity Checker HC Reagents for HI772

$17.99
The HI772-26 are the replacement reagents Marine Alkalinity (dKH) Checker HC – HI772. These high-quality reagents are manufactured in our