Hanna Instruments Aquarium Testers & Meters
For Freshwater and Saltwater;

For Marine and Freshwater Aquariums

Available Hanna Testers/Meters
* Alkaline Marine H1752
* Alkaline Freshwater H1775
*Marine Calcium H1758
*Phosphate Low HI713
*pH Tester H198100
*ORP/pH/Temp H198121
*Primo TDS Tester
*pH Calibration Sachets
*TDS Sachets H170032P
*Cleaning Solution H17061L
*Electrode Storage Solution HI70300L
*Microfiber Cloth for Wiping Cuvettes
*Cuvette Cleaning Solution HI93703-50



Hanna Instruments Aquarium Testers & Meters, For Freshwater and SaltwaterHanna instruments is a global manufacturer of analytical instrumentation.
Hanna offers multi-parameter bench top portable meters and testers.

The Hanna Checker® HC (Handheld Colorimeter) bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and only give 5 to 10 points resolution while professional instrumentation can cost hundreds of dollars and can be time consuming to calibrate and maintain. The Checker® is both accurate and affordable. .


Please note that we at "AAP-American Aquarium Products" are an authorized Hanna dealer selling at the authorized price set by Hanna.
Hanna Testers are NOT authorized for sale in Amazon, and those selling on Amazon have not been able to get product and thus are not selling "fresh" product nor is the product under the Hanna One Year warranty being these are not authorized for sale via Amazon!



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Hanna Marine Alkaline Tester
HANNA ALKALINE MARINE #H1752 - $48.99


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• The HI772 Alkaline Marine provides the results in dKH where as the HI755 Alkaline Marine provides results in ppm.

The HI755 & H1752 Checker® HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure alkalinity. Crucial in marine environments, alkalinity provides both the carbonate ion required for calcium carbonate skeletal rejuvenation of coral reefs, as well as a pH buffer against large changes in acidity. Designed as a more accurate alternative to chemical test kits, the HI752 provides quick, accurate results in four easy steps.


• Range: 0-300 ppm

• Resolution: .1 (1/10th) dKH

Further Information:
YouTube; Hanna Instruments HI772 Marine Alkalinity Checker

YouTube; Hanna Instruments HI755 Alkalinity Checker


Hanna Freshwater Alkaline Tester
HANNA ALKALINE FRESHWATER #H1775 - $48.99


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• The HI775 Checker® HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure alkalinity. Crucial in marine environments, alkalinity provides both the carbonate ion required for calcium carbonate skeletal rejuvenation of coral reefs, as well as a pH buffer against large changes in acidity. Designed as a more accurate alternative to chemical test kits, the HI775 provides quick, accurate results in four easy steps.

• Range: 0-300 ppm

• Resolution: 1 ppm


Hanna Marine Aquarium Tester
HANNA MARINE CALCIUM #H1758 - $48.99


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• The HI758 Checker® HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure calcium. Required for the development of calcium carbonate skeletons of coral reefs, calcium is a crucial component of marine waters. Designed as a more accurate alternative to chemical test kits, the HI758 provides quick, accurate results in four easy steps.


• Range: 200-600 ppm

• Resolution: 1 ppm

Further Information:
YouTube; Hanna Instruments HI758 Marine Calcium Checker


Hanna Phosphate TesterHANNA PHOSPHATE LOW #HI713 - $48.99

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• The HI713 Checker® HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure phosphate. Phosphate is a common food additive that enhances flavor and acts as a buffering agent. Important for growth and development of plant roots, phosphate is also present in fertilizers. However, high concentrations of phosphates are detrimental to the environment; for this reason, it is closely monitored in natural and municipal waters. Designed as a more accurate alternative to chemical test kits, the HI713 provides quick, accurate results in four easy steps.

• Range: 0-2.50 ppm

• Resolution: 0.01 ppm


Hanna PH Tester
HANNA PH TESTER #H198100 - $34.99
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• The pH Checker® series supplies users with fast and accurate readings from 0 to 14 pH with a resolution of 0.01 pH. This compact pH meter features an easy-to-read LCD and simple to perform two-point calibration. The pH electrode of the Checker® can be easily replaced. You only need to unscrew the electrode from the meter body and screw on a new one. The Checker® is fast, accurate, lightweight and with 3000 hours of battery life, you no longer have to worry about frequent battery replacement.

• Range: 0-14 pH

• Resolution: 0.01 pH


Hanna ORP-Ph-Temperature Meter
HANNA ORP/PH METER #H198121 - $174.99


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• The HI98121 is a waterproof pH and ORP meter. The housing of this tester has been completely sealed against humidity and is designed to float. Electrode replacement with the stainless steel round connector means there are no pins to bend or break during replacement.
When the cloth junction becomes clogged and response time is sluggish, simply pull out 3 mm (1/8”) to clear the clogging which will improve response time and stability. The exposed stainless steel temperature sensor on these models facilitates faster and more accurate temperature measurement.

• pH Range: -2.00-16.00, ORP Range: +-1000 mV, Temp Range: -5.0 to 60.0°C / 23.0 to 140.0°F

• pH Resolution: 0.01, ORP Resolution: 1mV, Temp Range: 0.1°C / 0.1°F

Please Note: Wiping or rubbing an electrode can cause static electricity buildup, removal of the hydration layer on the electrode bulb, or scratching of the electrode surface. The result is poorly or non functioning device and will require replacement of the electrode assembly.


Hanna Primo TDS Tester
HANNA PRIMO TDS TESTER - $39.99


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• Primo TDS and temperature tester is a rugged and reliable pocket-sized tester that offers quick and accurate readings for testing your "total dissolved solids" or TDS. Primo is used for testing total dissolved solids in applications such as hydroponics, drinking water, reverse osmosis systems, and aquariums. This meter features Automatic Temperature Compensation (ATC) and automatic single point calibration at 1382 ppm, ensuring the Primo is ready for use in no time.

• TDS range 0 to 1999 ppm, Temperature 0 to 60°C

• Automatic Temperature Compensation

• Single point automatic calibration


Hanna Tester Cleaning SolutionHANNA CLEANING SOLUTION #H17061L - $14.99 Jump to Shopping Cart

• HI7061L is a general purpose cleaning solution that can be used for a variety of applications. Electrodes can become dirty from use and will produce inaccurate results even as they read correctly in a pH buffer. Hanna’s cleaning solutions eliminate impurities and residues that are left on electrode surfaces when immersed in samples during measurement or when stored incorrectly. Hanna suggests cleaning the bulb and junction of your electrode on a regular basis to ensure that the probe is always clean and to prevent any clogging of the junction.

• Air tight bottle with tamper-proof seal.

• Each bottle marked with lot number and expiration date.


Hanna pH Tester Calibration Sachets
HANNA PH CALIBRATION SACHETS #H177400C - $16.99


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• 4.01 & 7.01 pH Value @ 25° C.

• (10) 20 mL Sachets (5 each).

• Expiration of 5 years from manufacture date.





Hanna TDS  Sachets
HANNA 1382 mg/L (ppm) TDS SACHETS #H170032P - $26.99


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• 1382 mg/L (ppm) TDS Value @ 25° C.

• (25) 20 mL Sachets .






Hanna electrode storage solutionHANNA ELECTRODE STORAGE SOLUTION 500 mL #H170300L - $14.99

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HI70300L is a storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes.
It is necessary to store a pH electrode in a solution in order to keep the glass membrane of the pH electrode hydrated. Ideally a storage solution should be used; never store an electrode in distilled or de-ionized water.
Maintaining the hydrated layer and clear junction will help to ensure a fast and reliable measurement.

• Special formulation to minimize microbial growth and osmotic/diffusion effects between the solution and inner reference electrolyte

• In the case of cleaning your pH electrode in one of our cleaning solutions, we recommend soaking the electrode in the HI70300L storage solution for at least one hour before taking measurements.


Hanna Freshwater Alkalinity Reagent 30 mLHANNA FRESHWATER ALKALINITY REAGENT 25 TESTS/30 mL #H1775-26 - $20.99

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The Hanna HI775-26 are the replacement reagents for the HI775 Freshwater Alkalinity 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.

• The HI775-26 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their Freshwater Alkalinity Checker® HC. These reagents follow the Colorimetric Method in which the reaction causes a distinctive range of colors from yellow to green to blue to develop. By simply adding one drop of the Chlorine Remover to remove the chlorine interference, and subsequently adding 1 mL of the Alkalinity Reagent to the sample, the reaction will take place and the HI775 will determine the concentration from the color that is produced. The results will be displayed in ppm of CaCO3 . These reagents are designed to be used with samples that have an expected range of 0 to 500 ppm CaCO3.


Hanna Microfiber Cloth for Wiping Cuvettes
HANNA MICROFIBER CLOTH FOR WIPING CUVETTES(4) - HI731318 - $14.99


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• HI731318 are microfiber cloths for wiping the cuvettes used in Checker HC (HI700 series) handheld colorimeters, photometers (HI96000 portable series and HI83000 benchtop series) and turbidity meters.
These cloths remove dirt, grease and fingerprints from the vials so that the glass is clean for the unimpeded transmission of light.


Hanna Cuvette Cleaning Solution (230 mL) - HI93703-50HANNA CUVETTE CLEANING SOLUTION (230 mL) - HI93703-50 - $25.99

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• The Hanna HI93703-50 cleaning solution is an alcohol based cleaning solution for cuvettes/vials used in photometers and turbidity meters. This anti-static solution ensures the glass cuvette used for colorimetric and turbidimetric measurements remains clean and free from imperfections


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