Caps for Glass Cuvettes Used with Checker HC Colorimeters (4 pcs) – HI731225
or 4 payments of $13.74 with 
Caps for Glass Cuvettes Used with Checker HC Colorimeters (4 pcs) – HI731225
The HI731225 are the replacement caps that screw on the glass cuvettes used with the HI7XX Checker HC colourimeters. The HI731225 includes 4 caps for the for the HI731321 glass cuvettes.
or 4 payments of $13.74 with
Checktemp® Digital Thermometer – HI98501
The HI 98501 Checktemp® is a digital thermometer with stainless steel penetration probe. It delivers high accuracy temperature measurements over a wide temperature range without worrying about breakage or condensation.
or 4 payments of $21.25 with
Copper High Range Checker® HC – HI702
The Hanna Checker® 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.
or 4 payments of $21.25 with
Copper High Range Checker® Reagents (25 Tests) – HI702-25
The HI702-25 are the replacement reagents for the HI702 Copper 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
or 4 payments of $6.25 with
Cuvette Cleaning Solution (230 mL) – HI93703-50
HI93703-50 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 colourimetric and turbidimetric measurements remains clean and free from imperfections.
or 4 payments of $15.00 with
Digital Refractometer for Seawater Analysis – HI96822
The HI96822 is a rugged, portable digital refractometer designed for the measurement of salinity of natural or artificial seawater. The HI96822 displays results in three popular measurement units: Practical Salinity Units (PSU), salinity in parts per thousands (ppt) and specific gravity (S.G. (20/20)). The instrument’s high accuracy and simple operation gives reliable results each and every time. All readings are automatically compensated for temperature variations and displayed within a 1.5 second response time. The sealed flint glass prism and stainless steel well are easy to clean. Just wipe with a soft cloth in preparation for the next sample.
or 4 payments of $97.50 with
Glass Cuvettes for Checker HC Colorimeters and Benchtop Photometers (4 pcs) – HI731321
or 4 payments of $11.50 with
Glass Cuvettes for Checker HC Colorimeters and Benchtop Photometers (4 pcs) – HI731321
The HI731321 are the replacement glass cuvettes used with the HI7XX Checker HC colorimeters and the HI832XX benchtop photometers. Each cuvette has a 10 ml level mark to measure the appropriate volume. The HI731321 includes 4 cuvettes.
or 4 payments of $11.50 with
Marine Alkalinity (dKH) Checker® HC – HI772
The HI772 Checker®HC (Handheld Colorimeter) provides a simple, accurate and cost-effective way to measure alkalinity in degrees of calcium hardness, commonly abbreviated as dKH. Critical to marine environments, alkalinity not only provides the carbonate ion required for calcium carbonate skeletal regeneration of coral reefs, but it also acts as a pH buffer against large changes in acidity. Designed as a more accurate alternative to chemical test kits, the HI772 provides quick, accurate results in four easy steps:
or 4 payments of $21.25 with
Marine Alkalinity (dKH) Checker® HC Calibration Check Set – HI772-11
or 4 payments of $11.25 with
Marine Alkalinity (dKH) Checker® HC Calibration Check Set – HI772-11
The Marine Alkalinity (dKH) Checker® HC Calibration Check Set – HI772-11 provides a simple solution to validating the Marine Alkalinity Checker® HC – HI772 that has a range of 0.0 to 20.0 dKH. Thishigh-qualityy set of standards is manufactured in our state-of-the-art facility and comes supplied with a Certificate of Analysis. The Certificate of Analysis provides the lot number, reference values and expiration date for traceability when certifying the Checker®HC.
or 4 payments of $11.25 with
Marine Alkalinity (dKH) Checker® HC Reagents (25 Tests) – HI772-26
or 4 payments of $5.00 with
Marine Alkalinity (dKH) Checker® HC Reagents (25 Tests) – HI772-26
The HI772-26 are the replacement reagents for the Marine Alkalinity (dKH) Checker® HC – HI772. These high-quality reagents are manufactured in Hanna Instruments state-of-the-art facility and are clearly marked with the lot number and expiration date on each packet for traceability.
or 4 payments of $5.00 with
Marine Calcium Checker® HC – HI758
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.
or 4 payments of $21.25 with
Marine Calcium Checker® HC Calibration Check Set – HI758-11
HI758-11 is a high-quality set of calibration standards that allows users to validate the Marine Calcium Checker® HC – HI758. The HI758-11 includes one sealed cuvette for zero ppm calcium and one cuvette that is tinted to an equivalent 400 +/- 20 ppm calcium sample @ 25°C. The calibration check set is produced in our state-of-the-art manufacturing facility using reagent grade chemicals in a temperature controlled environment.
or 4 payments of $7.50 with
Marine Calcium Checker® HC Reagents (25 Tests) – HI758-26
The HI758-26 are the replacement reagents for the HI758 Marine Calcium Checker® HC. These high-quality reagents are manufactured in Hanna Instruments state-of-the-art facility and are clearly marked with the lot number and expiration date on each packet for traceability.
or 4 payments of $10.00 with
Marine Nitrite Ultra Low Range Checker® HC – HI764
The Hanna Checker® 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.
or 4 payments of $18.75 with
Marine Nitrite Ultra Low Range Checker® HC Calibration Check Set – HI764-11
or 4 payments of $5.00 with
Marine Nitrite Ultra Low Range Checker® HC Calibration Check Set – HI764-11
The Marine Nitrite Ultra Low Range Checker® HC Calibration Check Set – HI764-11 provides a simple solution to validating the Nitrite Ultra Low Range Checker® HC – HI764 that has a range of 0 to 200 ppb. This high-quality set of standards is manufactured in Hanna Instruments state-of-the-art facility and comes supplied with a Certificate of Analysis. The Certificate of Analysis provides the lot number, reference values and expiration date for traceability when certifying the Checker®HC.
or 4 payments of $5.00 with
Marine Nitrite Ultra Low Range Checker® HC Reagents (25 Tests) – HI764-25
or 4 payments of $5.00 with
Marine Nitrite Ultra Low Range Checker® HC Reagents (25 Tests) – HI764-25
The HI764-25 are the replacement reagents for the HI764 Nitrite Ultra Low Range Checker® HC. These high-quality reagents are manufactured in Hanna Instruments state-of-the-art facility and are clearly marked with the lot number and expiration date on each packet for traceability.
or 4 payments of $5.00 with
Marine Phosphorus Ultra Low Range Checker® HC – HI736
The HI736 Checker® HC (Handheld Colorimeter) provides a simple, accurate and cost-effective way to measure phosphorus in marine systems including reef tanks. Phosphorus is an important parameter to measure in aquaculture and aquariums; levels that are too high can lead to extensive algae growth, depleted dissolved oxygen levels, and ultimately can be fatal to many types of fish and aquatic life. Designed as a more accurate alternative to chemical test kits, the HI736 provides quick, accurate results in four easy steps:
or 4 payments of $21.25 with
Phosphate Low Range Checker® HC – HI713
The Hanna Phosphate Low Range 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 ion concentration. Professional instrumentation offers greater resolution and accuracy but can cost hundreds of dollars. The Hanna Phosphate Low Range 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.
or 4 payments of $20.00 with