Hanna

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    …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 everything you need to digitally monitor your saltwater aquarium's vital elements, and also a digital…

    $255.00 Regular Price: $

    Easy and Accurate Nitrate Testing for your Saltwater Aquarium! Get highly accurate 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…

    $49.95 Regular Price: $
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    …purchase 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…

    $49.95 Regular Price: $

    …Uses Hanna HI774-25 reagent refills   What's Included * HI774 Checker * 2 sample cuvettes with caps * ULR Reagent for 10 tests * battery * instructions * quick start guide * 1 year limited warranty   Reagent Refills - Hanna

    $49.95 Regular Price: $

    …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 checkers is…

    $49.95 Regular Price: $

    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: $

    Redesigned with new 100 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,…

    $49.95 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…

    $69.00 Regular Price: $

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

    $9.00 Regular Price: $

    …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 saltwater or freshwater aquariums.…

    $49.50 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: $

    …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 use. First, zero the instrument with your water sample. Next, add the reagents. Last, place the vial into the Hanna

    $49.95 Regular Price: $

    …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…

    $20.00 Regular Price: $

    …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…

    $12.00 Regular Price: $

    …steel probe * User selectable auto-off   Hanna's Checktemp comes with a certification that validates the production of the unit, calibration and other testing required to meet all of Hanna's requirements, using standards and reference instruments that are traceable…

    $39.00 Regular Price: $

    …Includes Pocket Clip   Knowing the pH of your reef tank, or the electrical conductivity of your RODI water is a necessity, and Hanna's HI98129 Combo Pen is the perfect all in one solution. The lightweight and portable pen can test pH, conductivity, or TDS (total dissolved solids)…

    $157.99 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…

    $26.00 Regular Price: $

    …2 part dosing system it is important to use a good test kit to establish a baseline. We really like using the Red Sea Reef Foundation test kit or Hanna Colorimeters for their accuracy and repeatability which leads to a much more stable reef and overall coral health. Stability is one of the…

    $23.99 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: $

    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…

    $14.00 Regular Price: $

    …to inaccurate readings. We suggest replacing the cuvettes and caps once every year for dependable readings.   Includes Caps! OE Replacement Testing Cuvettes for Hanna Checkers.   What's Included? * 2x Hanna Glass Cuvettes * 2x Hanna Cuvette Caps

    $8.00 Regular Price: $

    …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 using Hanna's

    $10.00 Regular Price: $

    …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 variation will result in…

    $20.00 Regular Price: $

    Hanna Phosphate High Range Checker, press the button and read the results. Done.   Features * Easier to use and more accurate than chemical test kits * Large, easy to read digits * Auto shut-off * Dedicated to a single parameter * Designed to work with HANNA's

    $49.95 Regular Price: $

    …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…

    $13.99 Regular Price: $

    …into the Hanna Nitrite LR Checker, press the button and read the results. Done.   Features * Easier to use and more accurate than chemical test kits * Large, easy to read digits Auto shut-off * Dedicated to a single parameter * Designed to work with HANNA's powder…

    $49.95 Regular Price: $

    …and add the reagent. Finally, place the vial into back into the Hanna Checker, press the button and read the results. Done.   Easier to use and more accurate than chemical test kits.The HI 700 from Hanna Instruments uses an adaptation of the ASTM Manual of Water and Environmental…

    $49.95 Regular Price: $

    …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…

    $17.00 Regular Price: $

    …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. Last, place the vial into the Hanna

    $49.95 Regular Price: $

    …read at 0ppb of Phosphate, and then another cuvette that is tinted to an equivalent of 100ppb (± 0.10) @ 25°C. Each set it checked at Hanna's state of the art facility and guarantees each set of calibration standards.    What's Included? 1x 0ppb Sample…

    $12.00 Regular Price: $

    …Always 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…

    $4.99 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

    $9.00 Regular Price: $