Bestsellers in Marine Line
Marine Alkalinity Checker® HC Reagents (25 Tests) - HI755-26
The HI755-26 are the replacement reagents for the Marine Alkalinity Checker® HC - HI755 and Marine Alkalinity (dKH) Checker® HC - HI772. 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 packet for traceability.
- Pre-made reagents for ease of use
- Prepared with high purity chemicals
- Marked with expiration date and lot number for traceability
Marine Nitrate Low Range Checker Reagents (25 tests) - HI781-25
HI781-25 Marine Nitrate Low Range Checker HC (Handheld Colorimeter) Reagents are high-quality reagents for use with the HI781 Marine Nitrate Low Range Checker HC. They are manufactured in our state-of-the-art facility and clearly marked with the lot number and expiration date on each packet for traceability.
- Pre-made reagents for ease of use
- Prepared with high-purity chemicals
- Marked with expiration date and lot number for traceability
Marine Alkalinity Checker® HC - HI755
205.00 AED
The Hanna Marine Alkalinity Checker® bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color. Professional instrumentation incorporates a light source such as an LED or tungsten lamp with a filter and a light sensing detector to precisely determine absorbance and ion concentration. Professional instrumentation offers greater resolution and accuracy but can cost hundreds of dollars. The Hanna Marine Alkalinity Checker® measures alkalinity in parts per million (ppm) of calcium carbonate (CaCO3) , using a fixed wavelength LED and silicon photo detector to provide the accuracy of professional instrumentation at the affordable price of a chemical test kit.
- Compact, Portable Design
- Built-in Timer
- One-Button Operation
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Calibration Check Key at 0°C (HI762 Probes) - HI762000C
105.00 AED
The HI762000C is a calibration check key for thermistor thermometers that use the HI762 series of probes. Designed to simulate 0℃ (±0.4℃), this key offers a fast and simple way of checking the accuracy of your instrument.
- 0℃ Key Rated Value
- Simple, Quick Verification
- For Thermistors with HI762 Probes
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Solvent Handling Pump for HI903 and HI904 - HI900180
970.00 AED
The HI900180 is a solvent handling pump for the HI903 and HI904 Karl Fischer titration systems
- Quick replacement
- Simple to use
- Easy to assemble
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Free Chlorine (Low and Medium Range) Test Kit Replacement Reagents (200 tests)
The HI38018-200 are replacement reagents for the colorimetric determination of free chlorine with the HI38018 Free Chlorine Low and Medium Range Test Kit. There are enough reagents for approximately 200 tests to be used with Hanna’s test kit. 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 packet for traceability.
- Pre-made reagents for ease of use
- Prepared with high purity chemicals
- Marked with expiration date and lot number for traceability
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Salinity Waterproof Tester - HI98326
275.00 AED
HI98326 is a digital salinity tester designed specifically for saltwater aquariums that displays results in parts per thousand (ppt), Practical Salinity Units (PSU), or specific gravity (S.G.). This waterproof tester uses an amperometric conductivity probe to determine the salt content in the water.
- Exposed Temperature Probe for Fast Response
- Measures salinity up to 70.00 ppt
- Waterproof and designed to float
Showing 1–12 of 43 resultsSorted by popularity
Marine Alkalinity Checker® HC Reagents (25 Tests) - HI755-26
The HI755-26 are the replacement reagents for the Marine Alkalinity Checker® HC - HI755 and Marine Alkalinity (dKH) Checker® HC - HI772. 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 packet for traceability.
- Pre-made reagents for ease of use
- Prepared with high purity chemicals
- Marked with expiration date and lot number for traceability
Marine Nitrate Low Range Checker Reagents (25 tests) - HI781-25
HI781-25 Marine Nitrate Low Range Checker HC (Handheld Colorimeter) Reagents are high-quality reagents for use with the HI781 Marine Nitrate Low Range Checker HC. They are manufactured in our state-of-the-art facility and clearly marked with the lot number and expiration date on each packet for traceability.
- Pre-made reagents for ease of use
- Prepared with high-purity chemicals
- Marked with expiration date and lot number for traceability
Inquire Now
Marine Calcium Checker® HC - HI758
The Hanna Marine Calcium Checker® bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color. Professional instrumentation incorporates a light source such as an LED or tungsten lamp with a filter and a light sensing detector to precisely determine absorbance and ion concentration. Professional instrumentation offers greater resolution and accuracy but can cost hundreds of dollars. The Hanna Marine Calcium Checker® uses a fixed wavelength LED and silicon photo detector to provide the accuracy of professional instrumentation at the affordable price of a chemical test kit.
- Compact, Portable Design
- Built-in Timer
- One-Button Operation
Advanced Dissolved Oxygen Benchtop Meter with Optical DO Probe (opdo®) - HI6421-02 (230V)
5,595.00 AED
HI6421 is a streamlined dissolved oxygen benchtop meter supplied with Hanna’s optical dissolved oxygen probe (opdo®) and features a large touch screen display for fresh and saltwater measurements.
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Marine Alkalinity Checker® HC Reagents (25 Tests) - HI772-26
The HI772-26 are the replacement reagents for the Marine Alkalinity (dKH) Checker® HC - HI772 and can be used with the Marine Alkalinity Checker® HC - HI755 . 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 packet for traceability.
- Pre-made reagents for ease of use
- Prepared with high purity chemicals
- Marked with expiration date and lot number for traceability
Marine Low Range Nitrate Checker HC - HI781
The Hanna Marine Low Range Nitrate Checker® bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color. Professional instrumentation incorporates a light source such as an LED or tungsten lamp with a filter and a light sensing detector to precisely determine absorbance and ion concentration. Professional instrumentation offers greater resolution and accuracy but can cost hundreds of dollars. The Hanna Marine Nitrate Checker® uses a fixed wavelength LED and silicon photo detector to provide the accuracy of professional instrumentation at the affordable price of a chemical test kit.
- Compact, Portable Design
- Built-in Timer
- Saltwater Compatible
Marine Nitrate High Range Checker HC Calibration Check Set - HI782-11
The Marine Nitrate High Range Checker HC Calibration Check Set provides a simple solution to validating the performance of the HI782 Marine Nitrate High Range Checker HC.
- Pre-tinted standard values
- Supplied with Certificate of Analysis
- Reusable with a long shelf-life
Marine Magnesium Checker HC Handheld Colorimeter - HI783
251.00 AED
The HI783 Marine Magnesium Checker HC is a handheld colorimeter that uses the Beer- Lambert principle to determine the concentration of magnesium colorimetrically. The HI783 is designed specifically to measure magnesium levels in a saltwater aquarium or in marine biology applications. The 1000 to 1800 ppm range is ideal for coral/fish or fish-only aquarium maintenance.
- Ideal for aquariums and marine biology
- Easier to use and more accurate than chemical test kits
- Small size, big convenience
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Marine Line Ammonia Checker HC - HI784
The HI784 Marine Ammonia Checker HC is a handheld colorimeter that uses the Beer-Lambert principle to determine the concentration of ammonia colorimetrically. The HI784 is designed specifically to measure ammonia levels in a saltwater aquarium. The 0.00 to 2.50 ppm range is ideal for coral/fish or fish-only aquarium maintenance.
- Ideal for aquariums and marine biology
- Easier to use and more accurate than chemical test kits
- Small size, big convenience
Glass Dispensing Tip for HI903 (2 pcs) - HI900523
375.00 AED
The HI900523 is a set of 2 glass titrant dispensing tips for the HI903 Karl Fischer Titration System. The specially designed tips deliver titrant precisely into high turbulence mixing zones, ensuring a rapid reaction. Its angular construction helps prevent titrant from diffusing into the sample solvent.Anti-diffusion tipPrecise designChemically resistant
Set of 5 Septums for HI903 - HI900527
117.00 AED
The HI900527 is a set of 5 replacement septums for the HI903 Karl Fischer Titration System. These silicone septums are designed for quick and efficient liquid sample entry into the titration cell.
- Chemically resistant
- Quick replacement
- Easy to handle
Titrant Bottle Top Assembly for HI903 - HI900530
1,721.00 AED
The HI900530 is a titrant bottle top and fitting assembly for the HI903 Karl Fischer Titration System. The assembly is specially designed to keep titrant dry from ambient moisture. It is supplied with a desiccant cartridge, cartridge fitting, titrant hose fitting, O-rings, cap, and cover.
- Chemically resistant
- Quick replacement
- Easy to assemble

























