Hannah Checker

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    …a refractometer ever again. What’s Included? 1x HI772 dKH Alkalinity Checker 1x HI758 Calcium Checker 1x HI774 ULR Phosphate Checker 1x HI98319 Salinity & Temperature Pen Tester 1x HI774-25 ULR Phosphate Checker Reagent Pack 1x HI70024P Salinity Calibration Solution 1x HI70436M Deionized…

    $255.00 Regular Price: $

    …single parameter. Small size, big convenience. No errors with a digital readout. Ideal for aquariums and marine biology applications. The HI781 Checker is a simple, accurate, and cost-effective way to measure nitrate in your saltwater aquarium. Nitrate is a by-product of the Nitrogen cycle.…

    $49.95 Regular Price: $

    …for quality and their ability to deliver fast and simple to understand results. Hanna Alkalinity DKH Colorimeter - HI772 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,…

    $174.99 Regular Price: $
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    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…

    $49.95 Regular Price: $

    …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 sample into the Checker and zero the instrument with your water…

    $49.95 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.

    $23.00 Regular Price: $

    …Acid method Replacement Reagents - HI736-25 Phosphorus ULR Replacement Reagents Which is better to test for, Phosphate or Phosphorus? Want to find out - Click Here Hanna Checker Phosphorus Ultra Low Range Manufacturer's Manual Hanna Checker Phosphorus Ultra Low Range Manufacturer's Literature

    $49.95 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

    $9.00 Regular Price: $

    …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 checkers is keeping the vials…

    $49.95 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

    $23.00 Regular Price: $

    …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. Thoroughly…

    $12.00 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

    $15.00 Regular Price: $
    Out of Stock

    …Three simple steps to results. 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. Like nitrate, phosphate is a…

    $229.50 Regular Price: $
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    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…

    $49.95 Regular Price: $

    …replacement reagents when needed. The biggest key with Hanna checkers is keeping the vials nice and clean for consistent results. Uses Hanna HI772-26 liquid reagents Three simple steps to results. The Hanna Alkalinity Checker bridges the gap between simple chemical test kits and professional…

    $49.95 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…

    $12.00 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…

    $49.95 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…

    $49.95 Regular Price: $

    …10 minutes of non-use Dimensions: 86 x 61 x 37.5 mm (3.4 x 2.4 x 1.5") Weight: 64 g (2.25 oz.) Checker Reagents:Hanna HI780-25 (100 tests) Calibration Check Set:HI780-11 What's Included HI780 Checker 2 sample cuvettes with caps pH Reagent starter set battery instructions 1 year limited warranty…

    $49.95 Regular Price: $

    …insert the sample into the Checker and zero the instrument with your water sample. Then, remove the sample and add the reagent. Finally, place the vial into back into the Hanna Checker, press the button and read the results. Done. Use in conjunction with the Hanna Checker Free Chlorine Colorimeter…

    $49.95 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

    $21.00 Regular Price: $

    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

    $15.00 Regular Price: $

    …Test We Recommend the Hanna High Range Copper Checker (HI702) Whenever treating with copper, we recommend regular testing of copper concentrations to ensure safe and effective treatment. One of the best tools for this is the Hanna Copper Checker. This handheld colorimeter is well worth the cost…

    $4.99 Regular Price: $
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    …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 the sample into the Checker and zero the instrument with your water…

    $49.95 Regular Price: $
    Out of Stock

    …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 a purple tinted water when copper is present, allowing the HI702 Checker to produce a…

    $10.00 Regular Price: $

    …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 vials…

    $49.95 Regular Price: $

    Check for high ranges of Phosphates (orthophosphates) in your fresh and marine water. The Hanna HI717 Checker HC Handheld Colorimeter for Phosphates HR bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use. First, zero the instrument…

    $49.95 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…

    $10.00 Regular Price: $
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    …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 Standards:…

    $20.00 Regular Price: $

    …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 variation will result in an inaccurate reading. Precise fixed…

    $20.00 Regular Price: $

    …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 reagents for Hanna Checker colorimeters

    $1.69 Regular Price: $

    Reagent refill for Nitrate Low Range Colorimeter HI781 - Marine Water. Enough reagent for 25 tests. Item #: HI781-25

    $15.00 Regular Price: $