• 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.
  • Photo of small clear bottle full of Hanna Instruments Buffering solution
    Add to cart / Details
    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.).
  • Add to cart / Details
    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.
  • Add to cart / Details
    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.
  • Add to cart / Details
  • Add to cart / Details
    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.
  • Add to cart / Details
  • picture of a Active Air Indoor-Outdoor Thermometer with Hygrometer which is self-standing and has four buttons and LCD display
    Add to cart / Details
    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 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 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 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.
  • Add to cart / Details
    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.
Go to Top