Hanna

Hanna HI98319 Marine Salinity Tester

Designed for Simple Aquarium Salinity Testing Hanna Instruments HI98319 Marine Salinity Tester measures electrical conductivity (EC) to determine the salinity of natural and artificial seawater...

Hanna Instruments - HI70024P 35ppt Salinity Calibration Sachet

NIST Traceable Salinity Calibration Hanna HI70024P Salinity Calibration Sachets are perfect for any conductivity probe or pen. The single-use sachets are made of light-blocking foil that prevents...

Hanna Instruments Waterproof Pocket pH Tester with 0.1 Resolution - pHep® (HI98107)

The HI98107 pHep® is an easy-to-use pH water tester that makes monitoring water quality simple. This accurate pH tester features 0.1 resolution with automatic two-point calibration and...

Hanna Checker Calcium Colorimeter HI758

Redesigned with new 100 µL Pipette Accurately check your reef tanks calcium level with the Hanna HI758 Calcium Checker. Three simple steps to results. The Hanna Calcium Checker bridges the...

HANNA INSTRUMENTS Copper High Range Colorimeter HI702 Hanna Checker

Compatible with fresh or saltwater! No longer do you need to read color charts, trust Hanna's HI702 Copper Checker to know the precise amount of copper in your aquarium water. The High Range...

Hanna HI758-26 Calcium Checker Reagents

Calcium reagent refills for the easy to use, handheld Hanna Calcium Checker. Individual reagent packets for 25 tests. Enough reagent for 26 tests. Item #: HI758-26

HANNA INSTRUMENTS HI702-25 Copper High Range Reagents (25 Pack)

Hanna HI702-25 includes 25 pre-measured reagent packets that can be used with the HI702 High Range Copper Checker. Each package has been designed for a single use and allows for a perfect reagent...

Hanna Checker Alkalinity DKH Colorimeter HI772

Uses Hanna HI772-26 liquid reagents Three simple steps to results. The Hanna Alkalinity Checker bridges the gap between simple chemical test kits and professional instrumentation. Accurate,...

Hanna HI772-26 Alkalinity Checker Reagents

Reagent refill for Alkalinity Colorimeter HI772 or HI755 Hanna Checker HC - Marine Water. Enough reagent for 25 tests. Item #: HI755-26

HANNA INSTRUMENTS Marine Magnesium Colorimeter HI783

Magnesium is a crucial element in saltwater environments, as it allows calcium and carbonate to be bioavailable for corals and other invertebrates. Therefore, consistent and accurate testing of...

HANNA INSTRUMENTS HI783-25 Marine Magnesium Reagents (25 Pack)

High-quality reagents to perform 25 tests using the HI783 Marine Magnesium Checker HC by Hanna Instruments. Hanna reagents are manufactured in state-of-the-art facilities using high-purity chemicals...

HANNA INSTRUMENTS Nitrate High Range Colorimeter HI782 - Marine Water

The HI782 Nitrate Checker HC by Hanna Instruments is a simple and accurate handheld colorimeter that uses the zinc reduction method to determine nitrate concentration in marine applications. With a...