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Checktemp® Digital Thermometer (HI98501) - Hanna Instruments
Hanna Instruments$41.00The 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... -
Digital Refractometer for Seawater Analysis (HI96822) - Hanna Instruments
Hanna Instruments$200.00The 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... -
Waterproof Pocket pH Tester with 0.1 Resolution - pHep® (HI98107) - Hanna Instruments
Hanna Instruments$48.00The 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... -
pHep®+ Waterproof Pocket pH Tester with 0.01 pH Resolution (HI98108) - Hanna Instruments
Hanna Instruments$58.00The 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... -
HI-7030M Conductivity Solution, (230 mL) bottle - Hanna Instruments
$11.99Maximum 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... -
HI-7030L Conductivity Solution, (500 mL) bottle - Hanna Instruments
$13.99Maximum 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... -
Hanna Master Reef Test Kit (772 dkh, 758 Calcium, 713 Phosphate, 781 Nitrate) Checker HC (Saltwater) - Hanna Instruments
Hanna Instruments$255.80772 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... -
ORP/pH/Temperature Tester (HI98121) - Hanna Instruments
Hanna Instruments$196.00The 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... -
Checker Plus pH Tester (HI98100) Plus - Hanna Instruments
Hanna Instruments$48.00The 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... -
HI721 Iron Checker - Hanna Instruments
Hanna Instruments$63.95The 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... -
HI772 Marine Alkalinity (dKH) Checker HC - Hanna Instruments
Hanna Instruments$64.95The 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... -
Hanna HI764 Nitrite Ultra Low Range Checker HC (Saltwater) - Hanna Instruments
Hanna Instruments$63.95Nitrification 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,... -
Hanna HI736 Phosphorus Ultra Low Range Checker HC (Saltwater) - Hanna Instruments
Hanna Instruments$63.95The 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... -
Hanna HI700 Ammonia LR Checker HC (Freshwater) - Hanna Instruments
Hanna Instruments$63.95The 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... -
HI775 Marine Alkalinity Checker HC (Freshwater) - Hanna Instruments
Hanna Instruments$63.95The 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... -
Hanna Master Reef Test Kit (755 Alk, 758 Calcium, 713 Phosphate, 781 Nitrate) Checker HC (Saltwater) - Hanna Instruments
Hanna Instruments$255.80755 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... -
Hanna HI713 Phosphate Low Range Checker HC (Saltwater) - Hanna Instruments
Hanna Instruments$63.95Extreme 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 6x tests. The Hanna... -
Hanna HI755 Marine Alkalinity Checker HC Alk (Saltwater) - Hanna Instruments
Hanna Instruments$63.95Extreme 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 Marine... -
Hanna HI758 Marine Calcium Checker HC (Saltwater) - Hanna Instruments
Hanna Instruments$63.95Extreme 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 HI758...