Hannah

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    Easy Digital Testing with Precise Results for Reef Tanks If you ask anyone what are the most important parameters to monitor in a reef tank for good coral growth and health, pretty much everyone will answer with Calcium, Alkalinity, & Phosphates. Hanna Instruments HIREEF2 Test kit includes…

    $292.00 Regular Price: $

    The HI782 Nitrate Checker HC by Hanna Instruments is a simple and accurate handheld colorimeter that uses the zinc reduction method to determine nitrate concentration in marine applications. With a digital read out, there is no more struggling to determine colors visually. The HI782`s high range of…

    $63.95 Regular Price: $

    Why does BRS recommend this? The Hanna Phosphate Checker is an awesome little tool that will give you accurate easy to read results. If you have bad eyes or have a hard time with color change test kits, the digital readout on the Hanna checkers is super easy to read. The biggest key with Hanna…

    $63.95 Regular Price: $

    Ammonia is naturally produced in aquariums as a byproduct of waste produced from your livestock. It is a natural part of the Nitrogen Cycle that maintains balance in a healthy aquarium. When too much ammonia accumulates in the aquarium, ammonia toxicity can occur and seriously affect the health of…

    $63.95 Regular Price: $

    Reagent refill for Alkalinity Colorimeter HI772 or HI755 Hanna Checker HC Marine Water, as well as the Marine Master HI97105 Multiparameter Photometer. Enough reagent for 25 tests. Item #: HI755-26

    $13.00 Regular Price: $

    Check for low ranges of Nitrites in your fresh water. The Hanna HI707 Checker HC Handheld Colorimeter for Nitrite LR bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use. First, zero the instrument with your water sample. Next,…

    $63.95 Regular Price: $

    Compatible with fresh or saltwater! No longer do you need to read color charts, trust Hanna's HI702 Copper Checker to know the precise amount of copper in your aquarium water. The High Range Colorimeter gives greater precision over previous models and gives you a digital reading on a large LCD…

    $63.95 Regular Price: $

    NIST Traceable Salinity Calibration Hanna HI70024P Salinity Calibration Sachets are perfect for any conductivity probe or pen. The single-use sachets are made of light-blocking foil that prevents oxidation, ensuring the solutions are as fresh as the day it was packaged. Each sachet is marked with a…

    $1.16 Regular Price: $

    Why does BRS recommend this? The Hanna Alkalinity checker is an awesome little tool that now will give results in DKH values that are much more common in the aquarium hobby. It will also give you accurate easy to read results with the large LCD display. We like the repeatable results and ability to…

    $63.95 Regular Price: $

    Designed for Simple Aquarium Salinity Testing Hanna Instruments HI98319 Marine Salinity Tester measures electrical conductivity (EC) to determine the salinity of natural and artificial seawater. Within seconds, the salinity and temperature are measured,and then using the temperature reading,…

    $79.99 Regular Price: $

    If you have lost or broken the included cuvettes and caps that were included with your Hanna Checker or simply just want an extra set on hand, we carry replacements directly from Hanna. Over time the glass vials can become stained and discolored which can lead to inaccurate readings. We suggest…

    $11.00 Regular Price: $

    Microfiber cleaning cloth from Hanna. Keep your cuvettes clean for optimal checker accuracy!

    $15.00 Regular Price: $

    Have your pH readings displayed through a large LCD window down to a resolution of 0.01 pH. Monitor your aquariums temperature and pH all with a single pen-style tester. Hanna's HI98108 Waterproof pHep+ Tester can give you pH readings from 0.00 all the way up to 14.0 pH making it perfect for…

    $58.00 Regular Price: $

    The HI774 Ultra Low Range Phosphate Checker® is a cost-effective way to measure phosphate in marine systems, including reef tanks. Excessive phosphate levels can prevent calcification, skeletal formation, and growth of many coral species, particularly those referred to as SPS or small-polyp…

    $63.95 Regular Price: $

    Building your arsenal of trustworthy test kits can be a long and expensive process, so why not skip the headache? We've asked a few of our long-time hobbyists for their recommendations based on their own trial and error-- they've done the years of experimenting, so you don't have to! Here, we've…

    $244.99 Regular Price: $
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    Easily calibrate and test proper functionality of your Hanna Checker HI780 Marine pH Colorimeter. Contains Standard A and Standard B Follow instructions in packaging Includes certificate of analysis Reuseable with long shelf life Hanna Checker Instructions for Marine pH Calibration Check Set: 1.…

    $16.00 Regular Price: $

    Reagent refill for Nitrate High Range Colorimeter HI782 - Marine Water as well as the Marine Master HI97105 Multiparameter Photometer. Enough reagent for 25 tests. Item #: HI782-25

    $16.00 Regular Price: $

    Hanna's General Purpose Cleaning Solution is great for cleaning electrodes on your Apex, ReefKeeper and BRS pH and ORP probes. Clean the liquid junction of your electrodes once a day or at least once a week to prevent clogging and to maintain accuracy. Immerse the electrode in the proper cleaning…

    $15.00 Regular Price: $

    The HI780 Marine pH Checker HC is a simple, accurate and cost effective way to measure pH in saltwater. With a digital readout, there is no more struggling to determine colors visually. This pH tester's compact design stores easily with your other testing equipment. Keeping your aquarium pH stable…

    $63.95 Regular Price: $

    Extra cuvettes (vials) for your Hanna Colorimeter Checkers. Caps NOT included Precision glass, necessary for taking accurate measurements For most accurate readings, cuvette must be clean and free of scratches

    $23.00 Regular Price: $

    Ammonia Low Range reagent refills for the easy to use, handheld Hanna Ammonia Low Range Checker for Fresh Water (HI700). Individual reagent packets for 25 tests. Enough reagents for 25 tests Item#: HI700-25

    $15.00 Regular Price: $

    Monitoring phosphorus concentration in saltwater is important because it can cause corrosion if levels are too high. The Hanna HI736 Checker HC Handheld Colorimeter for Phosphorus ULR bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to…

    $63.95 Regular Price: $

    Magnesium is a crucial element in saltwater environments, as it allows calcium and carbonate to be bioavailable for corals and other invertebrates. Therefore, consistent and accurate testing of magnesium levels in your marine aquarium is vital to ensure a healthy and thriving system. The HI783…

    $63.95 Regular Price: $
    Out of Stock

    Phosphate reagent refills for the easy to use, handheld Hanna Low Range Phosphate Checker HI713. Reagents for 25 tests.

    $13.00 Regular Price: $

    Four simple steps to results. Easily and accurately test for low range ammonia in fresh water with the Hanna Checker Colorimeter - Ammonia Low Range for Fresh Water (HI 700). Designed to be more accurate alternative to chemical test kits. First, add sample to the included cuvette. Next, insert…

    $63.95 Regular Price: $

    Easily calibrate and test proper functionality of your Hanna Checker HI755 Alkalinity for marine water. Contains Standard A and Standard B Follow instructions in packaging Acceptable results must be between 90 and 110 ppm at 25°C Hanna Checker Instructions for Marine Alkalinity Standards: 1.…

    $13.00 Regular Price: $

    Hanna HI702-25 includes 25 pre-measured reagent packets that can be used with the HI702 High Range Copper Checker. Each package has been designed for a single use and allows for a perfect reagent measurement that will not become contaminated. The reagents use the Bicinchoninate Method which produces…

    $13.00 Regular Price: $

    Easily calibrate and test proper functionality of your Hanna Checker HI736 Phosphorus Ultra Low Range for marine water (saltwater). Contains Standard A and Standard B Follow instructions in packaging Acceptable results must be between 90 and 110 ppb at 25°C Hanna Checker Instructions for…

    $13.00 Regular Price: $

    Solution for cleaning cuvettes (vials) for photometers, colorimeters and turbidimeters from Hanna Instruments. Used with cuvette cleaning clothes 230 mL bottle

    $28.00 Regular Price: $

    Nitrite reagent refills for the easy to use, handheld Hanna Checker HI764 Nitrate Ultra Low Range as well as the Marine Master HI97105 Multiparameter Photometer. Individual reagent packets for 25 tests. Reagent refill for Hanna Checker Nitrite ULR HI764. Enough reagent for 25 tests.

    $13.00 Regular Price: $

    Phosphate Ultra Low Range reagent refills for the easy to use, handheld Phosphate ULR ppm Colorimeter HI774 Hanna Checker HC - Marine Water, as well as the Marine Master HI97105 Multiparameter Photometer. 25 packets of reagent Item #: HI 774 -25

    $13.00 Regular Price: $

    Knowing the temperature of your reef tank is very important, and with the Hanna Checktemp HI98509 Digital Thermometer, you can accurately know your aquariums temperature within 0.5°F. Each Checktemp comes with a 3.3' silicone cable that has a stainless steel probe at the end that gives rapid…

    $43.00 Regular Price: $

    Phosphorus Ultra Low Range reagent refills for the easy to use, handheld Phosphorus ULR Colorimeter HI736 Hanna Checker HC - Marine Water. 25 packets of reagent Item #: HI 736 -25

    $13.00 Regular Price: $

    Determine the alkalinity levels in your fresh water. The Hanna HI775 Checker HC Handheld Colorimeter for Alkalinity in fresh water bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use. First, zero the instrument with your water…

    $63.95 Regular Price: $

    NIST Traceable Salinity Calibration Hanna HI70024P Salinity Calibration Sachets are perfect for any conductivity probe or pen. The single-use sachets are made of light-blocking foil that prevents oxidation, ensuring the solutions are as fresh as the day it was packaged. Each sachet is marked with a…

    $27.00 Regular Price: $
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    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 Hanna Instruments HI758 Calcium Checker it is necessary to add exactly 100 µL of aquarium saltwater to the cuvette. Any…

    $22.00 Regular Price: $

    Redesigned with new100 µL Pipette Accurately check your reef tanks calcium level with the Hanna HI758 Calcium Checker. Three simple steps to results. The Hanna Calcium Checker bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to…

    $63.95 Regular Price: $

    Perfect for the Hanna Calcium Checker! Ultra-Pure deionized water that keeps your titration tests accurate and repeatable. The biggest complaint about the Hanna Calcium Checker is when the sample is diluted, if the fresh water source is not pure, it can cause irregular readings and usingHanna's…

    $12.00 Regular Price: $
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    Marine pH Checker reagent refills for the easy to use, handheld Marine pH Checker HC Colorimeter HI780 as well as the Marine Master HI97105 Multiparameter Photometer. Performs 100 Tests Item #: HI 780-25

    $16.00 Regular Price: $

    Easily calibrate and test proper functionality of your Hanna Checker HI772 Alkalinity (DKH) for fresh and marine water. Contains Standard A and Standard B Follow instructions in packaging Includes certificate of analysis Reusaable with long shelf life Hanna Checker Instructions for Marine Alkalinity…

    $22.00 Regular Price: $

    Electrode storage solution from Hanna Instruments for pH and ORP probes. Minimizes clogging and ensures fast response time Store the electrode with a few drops in the protective cap 230 mL

    $13.00 Regular Price: $

    Calcium reagent refills for the easy to use, handheld Hanna Calcium Checker as well as the Marine Master HI97105 Multiparameter Photometer. Individual reagent packets for 25 tests. Enough reagent for 26 tests. Item #: HI758-26

    $27.00 Regular Price: $

    Easily calibrate and test proper functionality of your Hanna Checker HI764 Nitrite Ultra Low Range for marine water (saltwater). Contains Standard A and Standard B Follow instructions in packaging Acceptable results must be between 86 and 114 ppb at 25°C Hanna Checker Instructions for Nitrite…

    $13.00 Regular Price: $

    The Hanna Alkalinity checker is an awesome little tool that will give you accurate easy to read results. If you have bad eyes or have a hard time with titration test kits, the digital read out on the Hanna checkers is super nice and easy to read. The biggest key with Hanna checkers is keeping the…

    $63.95 Regular Price: $

    1mL Graduated Syringes are an excellent resource for precision dosing of small amounts of liquid. They're the perfect for handling liquid reagents in test kits such as the Hanna Checkers, but can also be useful for very small doses of additives, medications, or even liquid foods. Accurately dose…

    $1.70 Regular Price: $

    Easily calibrate and test proper functionality of your Hanna Checker HI717 Phosphate HR for fresh and marine water. Contains Standard A and Standard B Follow instructions in packaging Acceptable results must be between 14.0 and 16.0 ppm at 25°C Hanna Checker Instructions for Fresh & Marine…

    $14.00 Regular Price: $

    Waterproof pH, Electrical Conductivity, Total Dissolved Solids, and Temperature Metering Pen Highly Accurate readings right out of the box! Every HI98129 is professionally calibrated to 7.01 and 10.01pH and 1382ppm. Lightweight Floats Super Accurate Large LCD Display Measures Temperature Replaceable…

    $169.00 Regular Price: $

    Check for Nitrite easily in your tank. The Hanna HI764 Checker HC Handheld Colorimeter for Nitrite ULR bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use. First, zero the instrument with your water sample. Next, add the reagent.…

    $63.95 Regular Price: $

    Ensure the performance of your HI702 High Range Copper Checker with the HI702-11 Copper Standards. Each kit includes two cuvettes, one sealedcuvette that will read at 0ppm of copper, and then another cuvette that is tinted to an equivalent of 2.0ppm (± 0.10) @ 25°C. Each set it checked at…

    $22.00 Regular Price: $

    Four simple steps to results. Easily and accurately test for free chlorine with the Hanna Checker Colorimeter (HI 711). Designed to be a more accurate alternative to chemical test kits. First, add sample to the included cuvette. Next, insert the sample into the Checker and zero the instrument with…

    $63.95 Regular Price: $

    Ensure the performance of your HI774 Ultra Low Range Phosphate Checker with the HI774-11 ULR Phosphate Standards. Each kit includes two cuvettes, one sealedcuvette that will read at 0ppb of Phosphate, and then another cuvette that is tinted to an equivalent of 100ppb (± 0.10) @ 25°C. Each…

    $13.00 Regular Price: $

    Four simple steps to results. Easily and accurately test for ultra-low range total chlorine in with the Hanna Checker Colorimeter - Total Chlorine Ultra-Low Range (HI 761). Designed to be more a more accurate alternative to chemical test kits. First, add sample to the included cuvette. Next, insert…

    $63.95 Regular Price: $

    Reagent refills for Hanna Total Chlorine Checker (HI711). Enough reagents for 25 tests

    $10.00 Regular Price: $

    Reagent refills for Hanna Total Chlorine Ultra-Low Range Checker (HI761). Enough reagents for 25 tests Item#: HI761-25

    $8.00 Regular Price: $

    Nitrite Low Range reagent refills for the easy to use, handheld Nitrite LR Colorimeter HI707 Hanna Checker HC - Fresh Water. 25 Packets Reagent Item #: HI 707-25

    $14.00 Regular Price: $

    Iodine reagent refills for the easy to use, handheld Iodine Colorimeter HI718 Hanna Checker HC - Fresh Water. 25 Packets Reagent Item #: HI 718 -25

    $10.00 Regular Price: $

    Ammonia High Range reagent refills for the easy to use, handheld Hanna Checker HI733 Ammonia High Range. Individual reagent packets for 25 tests.

    $21.60 Regular Price: $25.00

    Alkalinity reagent refills for the easy to use, handheld Alkalinity Colorimeter HI775 Hanna Checker HC - Fresh Water. Enough reagent for 25 tests. Item #: HI775-25

    $22.00 Regular Price: $

    High-quality reagents to perform 25 tests using the HI783 Marine Magnesium Checker HC by Hanna Instruments. Hanna reagents are manufactured in state-of-the-art facilities using high-purity chemicals. Each unit is clearly marked with lot number and expiration date for traceability and quality…

    $17.00 Regular Price: $
    Out of Stock

    High-quality reagents to perform 25 tests using the HI784 Marine Ammonia Checker HC by Hanna Instruments. Hanna reagents are manufactured in state-of-the-art facilities using high-purity chemicals. Each unit is clearly marked with lot number and expiration date for traceability and quality…

    $20.00 Regular Price: $

    Ammonia MR Range reagent refills for the easy to use, handheld Hanna Checker HI715 Ammonia Medium Range. Enough for 25 tests. 1 Bottle Reagent A 1 Bottle Reagent B Item #: HI 715-25

    $22.00 Regular Price: $

    Phosphate High Range reagent refills for the easy to use, handheld Hanna Checker HI717 Phosphate High Range. Individual reagent packets for 40 tests. 2 Bottles of Reagent A 40 Reagent B packets

    $10.00 Regular Price: $

    Certified standards kit for the HI784 Marine Ammonia Checker HC by Hanna Instruments. Use to easily calibrate and test proper functionality of your Hanna Colorimeter. The kit includes one sealed cuvette with a zero-ammonia value and one cuvette that is tinted to a standard ammonia value at 25C.…

    $20.00 Regular Price: $

    Certified standards kit for the HI784 Marine Magnesium Checker HC by Hanna Instruments. Use to easily calibrate and test proper functionality of your Hanna Colorimeter. The kit includes one sealed cuvette with a zero-magnesium value and one cuvette that is tinted to a standard magnesium value at…

    $20.00 Regular Price: $
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