• 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.
  • 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
  • AquaStart Kit-small AIP Freshwater test kit, digital thermometer, AquaCycle kit, AquaUp, AquaDown
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    This kit is designed to help you have everything that you need to get your system up and running! Start with our online course to learn about aquaponics right at home. Introduce beneficial nitrifying bacteria with our aquaponic cycling kit. Keep track of your water conditions with the API freshwater master test kit and digital thermometer! Adjust pH for fish health, stable water chemistry and to benefit the nitrifying bacteria.
  • 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 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 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 Hanna Iron Checker kit with digital gauge, packets, test vials and a case
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    Improve the accuracy of your water testing results with our simple handheld colorimeter. Bring more precise technology to your testing with our iron colorimeter. You won't have to struggle to determine colors visually anymore as our handheld colorimeter eliminates the hassle of matching to a color chart by providing a direct digital iron result.
    • Our handheld colorimeter is portable and easily carried in your pocket
    • One-button operation makes getting your iron results simple
    • Trust your results are consistent with the built-in timer
     
  • 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.
  • 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 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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    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 the API Freshwater Master Test Kit
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    This kit tests water for five different parameters that affect the health of freshwater fish. The kit can complete up to 800 tests.
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