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 easily stores…

    $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: $

    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,…

    $69.00 Regular Price: $

    …reading Dimensions: 86 x 61 x 37.5 mm (3.4 x 2.4 x 1.5") Weight: 64 g (2.25 oz.) 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 HI774-25

    $49.95 Regular Price: $

    …ability to 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 test kits and…

    $49.95 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: $

    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: $

    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: $

    …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: $

    …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 reagents Uses 10 mL glass cuvettes Small Size, Big Convenience Fits in the palm of your hand One-button operation makes getting your pH results…

    $49.95 Regular Price: $

    …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 saltwater or freshwater…

    $49.50 Regular Price: $

    …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 checkers is…

    $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: $

    …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: $

    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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    …from Hanna. Over time the glass vials can become stained and discolored which can lead 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…

    $8.00 Regular Price: $

    …Automatic Shut-off 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: $

    Hanna checkers is super nice and easy to read. The biggest key with Hanna checkers is keeping the vials nice and clean for consistent results. The Hanna Alkalinity Checker does give readings in Parts per Million, which can easily be converted to DKH or meq/L. Three simple steps to results. The Hanna

    $49.95 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…

    $39.00 Regular Price: $

    …remove sample 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: $

    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: $

    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: $

    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: $

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

    $25.00 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

    $12.00 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…

    $26.00 Regular Price: $
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    …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 Phosphorus ULR…

    $13.99 Regular Price: $

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

    $9.00 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: $

    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.…

    $12.00 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 overallcoralhealth. Stability is one of the keys to…

    $7.49 Regular Price: $