Hanna Colorimeter

Marine alkalinity, colorimetric method, Reagents for 25 tests

Designed to bring simplicity to salinity testing during the any process, the HI98319 Marine Salinity Tester measures conductivity (EC) to determine the salinity of natural and artificial seawater. Within seconds, the salinity and temperature are digitally displayed on the LCD. 

For use with HI98319 Marine Salinity Tester.  HI70024P is a premium quality 35.00 ppt salinity calibration solution that is NIST traceable and contained in portable single-use sachets. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna’s line of calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. The HI70024P is for 25 sachets containing 20 mL of solution. 

• 35.00 ppt @ 25°C salinity value. 
• Temperature chart of the actual ppt value at various temperatures printed on each sachet 
• Convenient packaging for one-time use 

For use with HI98319 Marine Salinity Tester.  HI70024P is a premium quality 35.00 ppt salinity calibration solution that is NIST traceable and contained in portable single-use sachets. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna’s line of calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. The HI70024P is for 25 sachets containing 20 mL of solution. 

• 35.00 ppt @ 25°C salinity value. 
• Temperature chart of the actual ppt value at various temperatures printed on each sachet 
• Convenient packaging for one-time use 

Marine Calcium Checker HC Colorimeter reagents for 25 tests

Copper High Range Checker reagents for HI702 - 25 tests

Phosphate, LR Checker HC, ascorbic acid method, reagents for HI713 - 25 tests

The HI764-25 are the replacement reagents for the HI764 Nitrite Ultra Low Range Checker® HC. 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

The HI731339P is a volumetric pipette designed to measure and transfer exactly 100 µL of solution to a cuvette. To obtain the highest accuracy and precision from the HI758 marine calcium Checker it is necessary to add exactly 100 µL of aquarium saltwater to the cuvette. Any variation will result in an inaccurate reading.

• Precise fixed volume measurement
• One handed operation

Designed to bring simplicity to pH testing during the any process, the HI98103 Checker^® pH Tester is designed for direct measurement. A replaceable electrode extends the life of your tester.

• ±0.2 pH accuracy
• Comes with all the necessary solutions and batteries- everything you need to get started measuring right away.
• Great for all brewers, from professional to home brewers!

Designed to bring simplicity to pH testing during the any process, the HI98100 Hanna Checker® Plus pH Tester is designed for direct measurement. A replaceable electrode extends the life of your digital pH tester.

• ±0.2 pH accuracy
• Comes with all the necessary solutions and batteries- everything you need to get started measuring right away.
• Great for environmental, field, and laboratory testing.

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 temperature compensation in a single, portable, pocket device.

• Compact design fits right in your pocket so you can take it anywhere.
• Cloth junction providing a larger surface area than a standard ceramic junction
• Great for drinking water, aquariums, pools, & ponds.

HI70300L is an electrode storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes.  Properly storing your pH electrode in a solution keeps the glass membrane well hydrated which maintains proper function and provides accurate readings.

• Special formulation to minimize bacterial growth on your electrode.
• Clearly marked expiration date and lot number for traceability.
• Designed for storing any pH or ORP electrode.

The HI98509 Checktemp^® 1 is a high-accuracy thermometer with a 1 m (3.3') flexible, silicone cable connecting the meter and the stainless steel probe. The sharp-tip penetration probe easily lances semi-solid products such as fruits, vegetables, and cheeses. This probe can also handle liquid, air and measurements in frozen materials. The probe incorporates an NTC thermistor sensor to measure the temperature.

• CAL Check™
• °C/°F readout
• IP 65 water resistant protection

The HI781 Marine Nitrate Low Range Colorimeter is designed to accurately determine low range nitrate levels in saltwater aquariums and marine applications. With a digital read out, there is no more struggling to determine colors visually. 

• Range: 0.00 to 5.00 ppm (as NO3–) [0.0 to 50.0 ppm (calculated) using dilution]
• Built-in timer so you don't miss a step.
• Saltwater Compatible

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

The HI782 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 to determine colors visually.

• Measurements with a range up to 75.0ppm
• Less complex laboratory grade accuracy - Requires only 1 reagent
• Simple, intuitive digital operation
• Compact and precise whether at home, at work, or on-the-go

The HI782-25 are the replacement reagents for the HI782 Marine Nitrate High Range Checker^® HC. 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

The HI98108 pHep^®+ pH tester provides high accuracy measurements in a rugged pocket-sized design. This ph tester features an exposed temperature sensor for automatic temperature compensated readings. The simple, two-button operation and large display makes it easy for anyone to test pH. Being lightweight and only 0.7" thick, the pHep^®+ is extremely ergonomic and fits comfortably in your hand.

• Compact & waterproof design fits right in your pocket so you can take it anywhere.
• Cloth junction providing a larger surface area than a standard ceramic junction
• Calibration up to 3 points

HI770710P is a set of premium quality pH 7.01 and 10.01 calibration buffer solutions. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna's line of calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. The HI770710P is for 5 sachets of pH 7.01 and 5 sachets of pH 10.01 with each containing 20 mL of buffer.

• Color coded label for easy pH buffer value identification
• Accuracy of +/- 0.01 pH @ 25°C
• Temperature chart of the actual pH value at various temperatures printed on each sachet

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

• Range: 1,000 to 1,800 ppm Magnesium
• Simple test process and procedure
• Saltwater Compatible

Our Marine Ammonia Checker® HC (HI784) is designed to accurately and quickly determine the ammonia level in marine (saltwater) samples. The digital readout makes measurements effortless.

• Range: 0.00 to 2.50 ppm (mg/L) NH3
• Built-in timer so you don't miss a step
• Saltwater Compatible

Our Marine Ammonia Checker® HC (HI784) is designed to accurately and quickly determine the ammonia level in marine (saltwater) samples. The digital readout makes measurements effortless.

• Range: 0.00 to 2.50 ppm (mg/L) NH3
• Built-in timer so you don't miss a step
• Saltwater Compatible

The HI731315 are spare glass cuvettes and plastic caps used with the HI7XX Checker® HC colorimeters. Each cuvette has a 10 ml level mark to measure the appropriate volume. The HI731315 includes 2 cuvettes and 2 caps.

• 10 ml level mark for adding correct volume.
• Test more samples and average your results for the best accuracy.
• Perfect for replacing scratched or discolored cuvettes.

Perfect for saltwater applications. This vertical mount unit can be used to continuously monitor at-home saltwater aquariums and reef tanks, public aquariums, saltwater mixing stations, and marine aquaculture facilities.

Keep your saltwater in check with our Marine Monitor (HI981520):

• Quick at-a-glance readings for pH, salinity, and temperature
• Easy-to-use and maintain with simple navigation
• Built-in alarms alert you when parameters are out of range