Hannah Checker

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    …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: $
    Out of Stock

    …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: $

    …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: $

    …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: $

    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…

    $49.95 Regular Price: $

    …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: $

    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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    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: $

    …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 Phosphorus ULR Standards:…

    $13.99 Regular Price: $
    Out of Stock

    …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: $
    Out of Stock

    Phosphate reagent refills for the easy to use, handheld Hanna Phosphate Checker. Enough reagent for 25 tests.

    $9.00 Regular Price: $
    Out of Stock

    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,…

    $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: $

    …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 ULR Standards: 1.…

    $12.00 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: $

    …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: $
    Out of Stock

    …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: $

    …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. Set of 10 syringes from Hanna Instruments. Accurately dose reagents for Hanna Checker colorimeters

    $16.00 Regular Price: $
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    Reagent refill for Alkalinity Colorimeter HI772 or HI755 Hanna Checker HC - Marine Water. Enough reagent for 25 tests. Item #: HI755-26

    $9.00 Regular Price: $

    …(including timing). 3. At the C.1 prompt, place A, HI713-11 into the holder of the Checker and press operations button. 4. At the C.2 prompt, place B, HI713-11 standard cuvette as prepared above into the holder of the Checker and press operations button. Acceptable results must be between 0.92 and…

    $12.00 Regular Price: $

    Calcium reagent refills for the easy to use, handheld Hanna Calcium Checker. Individual reagent packets for 25 tests. Enough reagent for 26 tests. Item #: HI758-26

    $23.00 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…

    $20.00 Regular Price: $

    …and test proper functionality of your Hanna Checker HI758 Calcium for marine water (saltwater). Contains Standard A and Standard B Follow instructions in packaging Acceptable results must be between 380 and 420 ppm at 25°C Hanna Checker Instructions for Nitrite ULR Standards: 1. Thoroughly…

    $17.00 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…

    $8.00 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: $

    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. Last, place the vial into the Hanna Nitrite Checker,

    $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: $

    …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: $

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

    $9.00 Regular Price: $

    Alkalinity reagent refills for the easy to use, handheld Hanna Checker HI764 Nitrate Ultra Low Range. Individual reagent packets for 25 tests. Reagent refill for Hanna Checker Nitrite ULR HI764. Enough reagent for 25 tests.

    $9.00 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: $
    Out of Stock

    …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: $