• combo-ph-orp-meter-front-view-
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    The Waterproof ORP/PH/Temp tester is ideal for taking measurements virtually anywhere. With this ORP tester, monitor both pH and ORP at the same time. These are special order items.  Please allow up to 2 weeks for shipping
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    HI7061L is a general-purpose cleaning solution for use with pH and ORP electrode that can be used for a variety of applications. pH electrodes become dirty with use and can produce inaccurate results. Use our General Purpose pH Electrode Cleaning Solution to prolong the life of your electrode and ensure accurate readings.
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    Hanna pH Electrode Storage Solution is an electrode storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes. Properly storing your pH electrode in a solution keeps the glass membrane well hydrated which maintains proper function and provides accurate readings.
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  • Photo of blue Hanna Chlorine Checker, and kit with capped test tubes, manual tests, and carrying case
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    Use our simple handheld colorimeter to get higher accuracy water testing results. Forget about the struggle of matching your sample to a color chart, our total chlorine colorimeter eliminates the struggle and provides you a digital total chlorine result directly. Our ammonia colorimeter brings you more precise technology than your typical chemical test kit giving you accurate and consistent results.
    • Easily carry our handheld colorimeter in your pocket
    • With a one-button operation getting your total chlorine result is simple
    • Make sure your results are consistent with our built-in timer.
  • photo of two low range ammonia checker reagent bottles
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    The HI700-25 Ammonia LR Checker® Reagents are the replacement reagents for the HI700 Ammonia Low Range Checker® HC.
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  • Photo of Hanna free chlorine test kit contents: blue probe with digital display, manual tests, two test tubes, and carrying case
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    Simple, accurate, and cost effective way to measure free chlorine
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    HI7007L is a premium quality pH 7.01 buffer solution. With lot number and expiration date clearly marked on the label and an airtight, tamper-proof seal to ensure the quality of the solution, Hanna's line of pH calibration solutions are an easy way to get great pH measurements every time.
  • Picture of packets of Free Chlorine Reagent packets in small self contained packs.
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    These are reagents for the colorimetric determination of free chlorine. There are enough reagents for 25 tests and are for use with Hanna’s compatible benchtop and portable photometers. These high-quality reagents are manufactured in a state-of-the-art facility and are clearly marked with the lot number and expiration date on each packet for traceability.  
  • Picture of small packets containing powder for chlorine test kits.
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    The 25 test set is the HI711-25 that are the replacement reagents for the HI711 Total Chlorine Checker®HC.  Chlorine is a common disinfectant for water, and ensuring proper levels is important in many situations. Monitoring chlorine in your aquarium is really important for the life of your fish. This provides 25 tests.  
     
       
  • Photo of yellow probe with flip top cover, button, and digital display
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    Simple, accurate, and cost effective way to measure low ranges of ammonia in fresh water!  The Checker HC uses an adaptation of the ASTM Manual of Water and Environmental Technology, D1426-92, Nessler method. The reaction between ammonia and reagents causes a yellow tint in the sample.  
  • Photo of red Hanna nitrite checker probe with digital display and power button
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    Simple, accurate, and cost effective way to measure low ranges of nitrites
  • photo of nitrite Low Range Checker Reagent packet
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    Nitrite Low Range Checker - Reagents for 25 Tests
  • Photo of small clear bottle full of Hanna Instruments Buffering solution
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    Buffer solution, 16 oz. Formulation pH buffers are made of potassium dihydrogen phosphate and disodium hydrogen phosphate and are standardized with a pH meter calibrated to NIST primary standard buffer solutions (NIST 186Ie & 186IIe and NIST 158g S.R.M.).
  • Photo of yellow probe with flip top cover, button, and digital display
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    Start getting accurate water testing results with our simple handheld colorimeter. Our ammonia colorimeter makes it easy to gain more confidence in your measurements. By bridging the gap between ammonia test kits and advanced instrumentation you no longer have to rely on the human eye to determine colors. Our handheld colorimeter eliminates the trouble of matching to a color chart by providing a direct digital ammonia result.
    • Our handheld colorimeter is portable and easily carried in your pocket.
    • Achieve your ammonia results easily with a simple, one-button design.
    • Don’t worry about matching the right color, our colorimeter does it for you.
  • picture of a Dissolved Oxygen Meter for Aquaculture with 7 buttons, a test wand and LCD display
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    The Dissolved Oxygen Meter is a must have for DO sensitive organisms or high bio-load environments. The HI 9147 Dissolved Oxygen Meter is designed for applications within an aquaculture operation. This unit is unique among DO meters in that comes with with a galvanic probe.
  • Photo of blue probe with flip top cover, button, and digital display Fresh Water Alkalinity Checker
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    Stop wasting time struggling with a color chart. Get accurate water testing results with our simple Fresh Water Alkalinity Checker.  Our freshwater alkalinity colorimeter brings you more precise technology from your standard chemical test kit. With direct digital freshwater alkalinity results, our handheld colorimeter eliminates the hassle of color matching.
    • The small size of our handheld colorimeter makes it portable and fits perfectly in your pocket.
    • Results are achieved easily with a simple, one-button operation.
    • Easy operation and direct results make measurement quick.
  • Picture of a small 30ml bottle of alkalinity reagents
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    The HI775-26 are the replacement reagents for the HI775 Freshwater Alkalinity Checker® HC. Alkalinity Reagents for fresh water are to be used with the Alkalinity Checker HC.  
  • Picture of three bottles, two large and one small for a High Range Reagent Refills for Ammonia.
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    The HI707-25 are the replacement reagents for the HI707 Nitrite Low Range Checker® HC.
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    The HI98107 pHep® is an easy-to-use pH water tester that makes monitoring water quality simple. This accurate pH tester features 0.1 resolution with automatic two-point calibration and temperature compensation in a single, portable, pocket device.
    • The compact design fits right in your pocket so you can take it anywhere.
    • A cloth junction provides a larger surface area than a standard ceramic junction.
    • Great for aquaponics, aquaculture, aquariums, pools, & ponds.
  • picture of a Active Air Indoor-Outdoor Thermometer with Hygrometer which is self-standing and has four buttons and LCD display
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    This large display Indoor-Outdoor Thermometer with Hygrometer shows current temperature and humidity levels, and includes a remote probe for second zone temperature. Records high and low points for both temperature and humidity.  
  • Picture of a pH test kit with bottle, test tube, and freshwater pH color card
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    For when you need a replacement in your main test kit! A fast and easy way to monitor the pH of your aquaponics system. Just three drops in a vial of system water, shake, and read.
  • Picture of a box of KH hardness testing kit from API
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    Keep your fish healthy and thriving by testing your aquarium water's KH levels regularly with this easy-to-use API CARBONATE TEST KIT for freshwater aquariums. API CARBONATE HARDNESS TEST KIT helps prevent pH problems by stabilizing aquarium pH in fresh and saltwater aquariums. Fast, easy, and accurate testing evaluates KH levels in aquarium water, so that they may be corrected if too low or high. Water with low KH is susceptible to rapid pH shifts, stressing fish and increasing the risk of disease.
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