• picture of a Dissolved Oxygen Meter for Aquaculture with 7 buttons, a test wand and LCD display
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    A must have for DO sensitive organisms or high bio-load environments. The HI 9147 Dissolved Oxygen Meter is designed for aquaculture applications. This unit is unique among DO meters as it is supplied with a galvanic probe.
  • 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
     
  • 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 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.  
  • photo of single iron reagent packet
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    These are reagents for the colorimetric determination of iron. 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 a box containing a test for water gh and kh.
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    The best way to keep your aquarium clean is to maintain good water quality. This will keep your fish strong and vibrant, as well as preventing disease.  Helps to buffer swings in pH that are dangerous to your fish.

  • Product picture Digital Thermometer with Submersible Probe
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    Ideal for aquariums or large tanks! Get accurate temperature readings with this Digital Thermometer which has a simple appearance, unobtrusive design and an easy-to-read LCD display.
  • 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.
  • 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 4 Glass Replacement Test Tubes with lids
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    Set of 4 replacement test tubes for the API Master Aquarium Test Kit.
  • Picture of small bottle of API pH test solution
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    Highly recommended for all aquaponic systems! API reagent for pH. Keep your fish healthy and thriving by testing your aquarium water's pH regularly with easy-to-use API pH TEST KIT for freshwater aquariums.
  • picture of clear plastic transfer pipettes
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    Great for highly accurate, hard to reach measurements and doses. Use for testing aquarium water to make sure your fish are safe and living in water with the right mix of chemicals.
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