Chemistry - Water Testing - Hanna Checkers

Hanna Checkers

Hanna Instruments

HI755-26 HI772-26 Alkalinity Checker Reagent (25 Tests) - Hanna Instruments

$9.00

This reagent works with both the 755 & 772 Hanna checker.  It may come with the tag 755-26 or 772-26, both reagents work with both checkers. Extreme Accuracy. Easy to Test in 4 Steps - Zero the Checker, Add a regent to your water sample,...

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Hanna Instruments

HI713-25 Phosphate Low Range Checker Reagent (25 Tests) - Hanna Instruments

$9.00

Extreme Accuracy. Easy to Test in 4 Steps - Zero the Checker, Add a regent to your water sample, Insert the Vile in the Checker, Read the Numbered Results. BOOM EASY. ZAIR. Zero, Add, Insert, Read. Includes reagents for 25x tests. The Hanna...

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Hanna Instruments

HI736-25 Phosphorus Ultra Low Range Marine Reagent (25 Tests) - Hanna Instruments

$9.00

The HI736-25 are the replacement reagents for the HI736 Phosphorus 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...

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Hanna Instruments

HI774-25 Ultra Low Range Phosphate Checker Reagents - Hanna Instruments

$9.00

Reagents for the HI774. Our HI774 Ultra Low Range Phosphate Checker will be essentially the same specifications as the HI736 Ultra Low Range Phosphorus Checker however it will not require a conversion but read directly in parts per million phosphates...

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Hanna Instruments

HI758-26 Marine Calcium Checker Reagents (25 Tests) - Hanna Instruments

$22.99

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Hanna Instruments

HI772 Marine Alkalinity (dKH) Checker HC - Hanna Instruments

$49.95

The Hanna Marine Alkalinity (dKH) 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...

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Hanna Instruments

HI781 Saltwater Nitrate Low Range Checker - Hanna Instruments

$49.95

Get accurate water testing results with the HI781 Marine Nitrate Low Range Colorimeter. With a digital read out, there is no more struggling to determine colors visually. This nitrate tester's compact design fits in your pocket or stores easily in...

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Hanna Instruments

Hanna HI758 Marine Calcium Checker HC (Saltwater) - Hanna Instruments

$49.95

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Hanna Instruments

HI774 Ultra Low Range Phosphate Checker (Saltwater) - Hanna Instruments

$49.95

Our HI774 Ultra Low Range Phosphate Checker will be essentially the same specifications as the HI736 Ultra Low Range Phosphorus Checker however it will not require a conversion but read directly in parts per million phosphates compared to parts per...

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Hanna Instruments

Waterproof Pocket pH Tester with 0.1 Resolution - pHep® (HI98107) - Hanna Instruments

$39.95

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...

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Hanna Instruments

Hanna HI713 Phosphate Low Range Checker HC (Saltwater) - Hanna Instruments

$49.95

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Hanna Instruments

Hanna HI736 Phosphorus Ultra Low Range Checker HC (Saltwater) - Hanna Instruments

$49.95

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...

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Hanna Instruments

Hanna Master Reef Test Kit (755 Alk, 758 Calcium, 713 Phosphate, 781 Nitrate) Checker HC (Saltwater) - Hanna Instruments

$199.80

755 Checker   The HI755 Checker® HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure alkalinity via PPM. Crucial in marine environments, alkalinity provides both the carbonate ion required for calcium...

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Hanna Instruments

Checker Plus pH Tester (HI98100) Plus - Hanna Instruments

$41.00

The HI98100 Checker Plus is the next generation of the original Hanna Checker pH tester. The Checker is the most popular pH meter in the world with over 1 million meters used since its introduction in 1991. From students to researchers, the Checker has...

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Hanna Instruments

Glass Cuvettes and Caps for Checker® HC Colorimeters - set of 2 (HI731315) - Hanna Instruments

$8.00

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...

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Hanna Instruments

Hanna Master Reef Test Kit (772 dkh, 758 Calcium, 713 Phosphate, 781 Nitrate) Checker HC (Saltwater) - Hanna Instruments

$199.80

772 Checker 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...

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Hanna Instruments

Hanna HI755 Marine Alkalinity Checker HC Alk (Saltwater) - Hanna Instruments

$49.95

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Hanna Instruments

Hanna HI702 High Range Copper Checker (Saltwater) - Hanna Instruments

$49.95

The HI702 Checker®HC (Handheld Colorimeter) is a simple, accurate, and cost effective way to measure copper in your saltwater aquarium. Designed as a more accurate alternative to chemical test kits, the HI702 provides quick, accurate results in a...

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Hanna Instruments

HI701-25 Free Chlorine Checker Reagent (25 Tests) - Hanna Instruments

$9.00

Get your replacement reagents for your HI701 Free Chlorine Checker® HC today. 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...

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Hanna Instruments

Hanna HI764 Nitrite Ultra Low Range Checker HC (Saltwater) - Hanna Instruments

$49.95

Nitrification is the biological oxidation of ammonia (ammonium ion) into nitrite followed by the oxidation of the nitrites to nitrates. The first step of this 2-step process is carried out in an aquarium by nitrifying bacteria. During this quick process,...

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Hanna Instruments

HI780 Saltwater pH Checker - Hanna Instruments

$49.95

Get accurate water testing results with the HI780 Marine pH Colorimeter. With a digital read out, there is no more struggling to determine colors visually. This pH tester's compact design fits in your pocket or stores easily in your shop. Easier to...

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Hanna Instruments

Hanna Reef Professional Checker Kit V2 - Hanna

$255.00

Monitor the health of your saltwater reef aquarium with the Reef Professional Kit for Alkalinity (dKH), Calcium, Phosphorus (ULR phosphate), Salinity & Tempurature.  We made some improvements to our HIREEF Reef Professional Kit. The kit now...

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Hanna Instruments

Checktemp® 1 Digital Thermometer (HI98509) - Hanna Instruments

$39.00

The Checktemp® 1 Digital Thermometer - HI98509 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...

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Hanna Instruments

HI772-11 Marine Alkalinity (dKH) Checker® HC Calibration Check Set - Hanna Instruments

$20.00

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. This high-quality set of standards is...

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Hanna Instruments

pHep®+ Waterproof Pocket pH Tester with 0.01 pH Resolution (HI98108) - Hanna Instruments

$49.95

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...

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Hanna Instruments

Hanna HI700 Ammonia LR Checker HC (Freshwater) - Hanna Instruments

$49.95

The Hanna Ammonia 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...

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Hanna Instruments

(HI781-25) Marine Nitrate Checker Reagents (25 Tests) - Hanna Instruments

$15.00

The HI781-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their HI781 Marine Nitrate Low Range Colorimeter. These reagents follow a colorimetric method in which the reaction between...

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Hanna Instruments

Checktemp® Digital Thermometer (HI98501) - Hanna Instruments

$37.00

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. The Checktemp® offers NO...

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Hanna Instruments

Microfiber Cloth for Wiping Cuvettes - 4 (HI731318) - Hanna Instruments

$14.00

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...

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Hanna Instruments

Glass Cuvette Cleaning Solution (230 ml) HI93703-50 - Hanna Instruments

$25.00

The glass cuvette is an important component of the optical system in all colorimetric and turbidimetric measurements. Light reaches the sample by first passing through the cuvette glass. Based on the sample, the light is absorbed, transmitted, or...

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HI-7030L Conductivity Solution, (500 mL) bottle - Hanna Instruments

$13.99

Maximum accuracy is high on the agenda here at Hanna. Browse our Conductivity Calibration Solutions specifically produced for Conductivity meters and electrodes. Hanna conductivity electrodes can be calibrated in just a few minutes, wherever you are...

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Hanna Instruments

HI721 Iron Checker - Hanna Instruments

$49.95

The Hanna Iron 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...

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Hanna Instruments

HI774-11 Phosphate Ultra Low Checker® HC Calibration Check Set - Hanna Instruments

$12.00

The Phosphate Ultra Low Range Checker® HC Calibration Check Set provides a simple solution to validating the Phosphate Ultra Low Range Checker® HC - HI774 that has a range of 0.00 to 0.90 pp as phosphate. This high-quality set of standards is...

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Hanna Instruments

HI775 Marine Alkalinity Checker HC (Freshwater) - Hanna Instruments

$49.95

The Hanna Freshwater 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...

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Hanna Instruments

Graduated Pipette - 100 µL (HI731339P) - Hanna Instruments

$20.00

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...

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Hanna Instruments

(HI740228) Filter Discs for Select Photometers (25 pcs) - Hanna Instruments

$5.00

HI740228 is a filter disc; part of accessory kit for preparation of samples to be analyzed with the HI781 Hanna Nitrate Checker photometers.

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Hanna Instruments

HI758-11 Marine Calcium Checker® HC Calibration Check Set - Hanna Instruments

$17.00

The Marine Calcium Checker® HC Calibration Check Set - HI758-11  provides a simple solution to validating the Marine Calcium Checker® HC - HI758 that has a range of 200 to 600 ppm calcium. This high-quality set of standards is...

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Hanna Instruments

HI755-11 Marine Alkalinity (ppm) Checker® HC Calibration Check Set - Hanna Instruments

$12.00

The Marine Alkalinity Checker® HC Calibration Check Set - HI755-11 provides a simple solution to validating the Marine Alkalinity Checker® HC - HI755 that has a range of 0 to 300 ppm CaCO3. This high-quality set of standards is...

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Hanna Instruments

HI736-11 Phosphorus Ultra Low Checker® HC Calibration Check Set - Hanna Instruments

$12.00

The Phosphorus Ultra Low Range Checker® HC Calibration Check Set provides a simple solution to validating the Phosphorus Ultra Low Range Checker® HC - HI736 that has a range of 0 to 200 ppb as phosphorus. This high-quality set of standards is...

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Out of Stock

Hanna Instruments

ORP/pH/Temperature Tester (HI98121) - Hanna Instruments

$182.99

The HI98121 is a waterproof pH, ORP and temperature 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...

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Hanna Instruments

HI713-11 Phosphate Low Range Checker® HC Calibration Check Set - Hanna Instruments

$12.00

The Phosphate Low Range Checker® HC Calibration Check Set - HI713-11 provides a simple solution to validating the Phosphate Low Range Checker® HC - HI713 in the range of 0.00 to 2.50 ppm (mg/L). This high-quality set of standards is...

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Hanna Instruments

Magnetic Mini-Stirrer - 115V (HI190M-1) - Hanna Instruments

$99.00

The HI190M is a compact and lightweight magnetic stirrer. With a small footprint, lack of laboratory bench space is no longer a concern. Built to last with a protective covering and a user-adjustable stirring speed, this small stirrer is great for...

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Hanna Instruments

Pure Water Tester (HI98308) - Hanna Instruments

$60.00

The HI98308 Pure Water tester is a rugged and reliable pocket-sized tester that offers quick and accurate readings. The HI98308 Pure Water tester features graphite electrodes to reduce polarization effects and an exposed temperature probe for fast...

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$Digital Refractometer for Seawater Analysis (HI96822) - Hanna Instruments$

Hanna Instruments

Digital Refractometer for Seawater Analysis (HI96822) - Hanna Instruments

$180.00

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...

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HI-7030M Conductivity Solution, (230 mL) bottle - Hanna Instruments

$11.99

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Hanna Instruments

(HI781-11) Marine Nitrate LR Certified Check Set - Hanna Instruments

$17.00

The Marine Nitrate Low Range Checker Calibration Check Set - HI781-11 provides a simple solution to validating the Marine Nitrate Checker® HC® - HI781. This high-quality set of standards is manufactured in our state-of-the-art facility...

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Hanna Instruments

Hanna Full Range Test Kit (Saltwater) - Hanna Instruments

$318.75

772 Checker - Alkalinity in dKHThe 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,...

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Hanna Instruments

HI780-11 Saltwater pH Checker Calibration Check Set - Hanna Instruments

$13.00

HI780-11 is a high-quality set of calibration standards that allows users to validate the Marine pH Checker® HC - HI780. The calibration check set is produced in our state-of-the-art manufacturing facility using reagent grade chemicals in a...

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Hanna Instruments

Hanna Algae Control Kit (713 Phosphate, 781 Nitrate) Checker HC (Saltwater) - Hanna Instruments

$99.90

713 Checker 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...

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