• Photo of yellow probe with flip top cover, button, and digital display
    Add to cart / Details
    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.
  • Photo of blue probe with flip top cover, button, and digital display Fresh Water Alkalinity Checker
    Add to cart / Details
    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 two low range ammonia checker reagent bottles
    Add to cart / Details
    The HI700-25 Ammonia LR Checker® Reagents are the replacement reagents for the HI700 Ammonia Low Range Checker® HC.
  • Picture of packets of Free Chlorine Reagent packets in small self contained packs.
    Add to cart / Details
    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.  
  • photo of nitrite Low Range Checker Reagent packet
    Add to cart / Details
    Nitrite Low Range Checker - Reagents for 25 Tests
  • Picture of small packets containing powder for chlorine test kits.
    Add to cart / Details
    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 single iron reagent packet
    Add to cart / Details
    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 three bottles, two large and one small for a High Range Reagent Refills for Ammonia.
    Add to cart / Details
    The HI707-25 are the replacement reagents for the HI707 Nitrite Low Range Checker® HC.
  • Picture of a small 30ml bottle of alkalinity reagents
    Add to cart / Details
    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 the API Freshwater Master Test Kit
    Add to cart / Details
    This kit tests water for five different parameters that affect the health of freshwater fish. The kit can complete up to 800 tests.
  • Product picture Digital Thermometer with Submersible Probe
    Add to cart / Details
    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 pH test kit with bottle, test tube, and freshwater pH color card
    Add to cart / Details
    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.
Go to Top