20 ML BAG 35 ppt calibration solution for the calibration of salinity testers

The HI-782-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their Nitrate colorimeter, HR Checker® HC.

Reagents for HI755-26 Alkalinity reagents The HI-755-26 are the liquid reagents for the HI-755 Alkalinity Checker® HC (25 tests). The HI-755-26 are high-quality reagents that are pre-measured, allowing users to achieve fast and accurate measurements...

Reagents for HI755-26 Alkalinity reagents The HI-755-26 are the liquid reagents for the HI-755 Alkalinity Checker® HC (25 tests). The HI-755-26 are high-quality reagents that are pre-measured, allowing users to achieve fast and accurate measurements...

Hanna Checker - Phosphate ULR Colorimeter The Hanna Phosphate checker ULR is an awesome little tool that will give you accurate easy to read results. If you have bad eyes or have a hard time...

Three simple steps to results. The Hanna Alkalinity Checker Bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use. First, zero the instrument with your water sample. Next,...

Salinity Tester - digital Salinity Tester Our new HI-98319 waterproof salinity and temperature Tester is perfect for any Saltwater aquarium. A more accurate alternative to refractometers, this Tester uses conductivity to determine salinity levels of...

Reagents for HI755-26 Alkalinity reagents The HI-755-26 are the liquid reagents for the HI-755 Alkalinity Checker® HC (25 tests). The HI-755-26 are high-quality reagents that are pre-measured, allowing users to achieve fast and accurate measurements...

HI-784-25 Marine Ammonia reagents, 25 tests, for use with the HI-784 Marine Ammonia Handheld Colorimeter Checker.

HI-783-25 Marine Magnesium reagents, 25 tests, for use with the HI-783 Marine Magnesium Handheld Colorimeter Checker.

The HI-782 Marine Nitrate High Range Colorimeter is specifically designed to quickly and accurately determine high levels of nitrate for Saltwater aquariums and marine applications. With a digital read out, there is no more struggling...

Reagents for HI755-26 Alkalinity reagents The HI-755-26 are the liquid reagents for the HI-755 Alkalinity Checker® HC (25 tests). The HI-755-26 are high-quality reagents that are pre-measured, allowing users to achieve fast and accurate measurements...

Hanna Marine Master Photometer Kit HI-97115C Professional multi-parameter photometer for marine aquariums and field use. The HI-97115C combines eight essential tests into one waterproof, wireless device. Ideal for monitoring coral reef health, fish systems, and...

The HI-780-25 is the replacement reagents for the HI-780 Marine pH Checker® HC. These high-quality reagents are clearly marked with the lot number and expiration date on the dropper bottle for traceability.

Each HI-784 is delivered in a case with custom insert and is supplied with: Marine Ammonia reagent starter kit (reagents for 10 tests). Please download the Safety Datasheet(s) which provide more detail on the reagents...

The HI-96822 digital refractometer is a rugged, portable, water resistant device that uses the measurement of the refractive index to determine the salinity of natural and artificial seawater, ocean water or brackish intermediates. The HI-96822...

Hanna Checker - Calcium Colorimeter Ideal for salt water aquariums and coral reef tanks. Designed exclusively for Saltwater aquariums, the HI-758 offers a quick, easy and highly accurate method of checking Calcium. For replacement reagents...

Each HI-783 is delivered in a case with a custom insert and is supplied with: Sample cuvette and cap (2 pcs.) Marine Magnesium reagent starter kit (reagents for 25 tests) 1 mL graduated syringe and...

The HI-98107 pHep® revolutionized the pH industry by providing non-technical personnel with a simple, inexpensive solution to accurate pH measurement. This pocket sized pH Tester is used by millions of people around the world to...

The HI-764 Hanna Ultra Low Range Nitrite Checker is ideal for salt water aquariums and coral reef tanks. With its Fantastic ability to measure exceptionally low levels of nitrite, the HI-764 Nitrite Checker is great...