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Hanna Instruments

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When purchasing a product, price is the consumer's primary concern. At present, Hanna Instruments has 141 products for sale. Hanna Instruments products range in price from $20.99 to $494.34, and the average price of all the products is about $116.97.

We found that most of the Hanna Instruments products are manufactured by Midland Scientific. The manufacturer provides Hanna Instruments with a steady supply of products, and they have a good cooperative relationship with each other.

You can confidently purchase Hanna Instruments products from the seller First Quality Pets. The brand holds an average rating of 4.5, testifying to its excellent reputation.

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Hanna Instruments Best Sellers

Last Updated: Jan 8, 2026

Hanna Instruments High Range Nitrate Checker HI782

  • More accurate than chemical test kits, less expensive than professional testing
  • Single button operation for ease of use
  • Large LCD screen for readability

Hanna Instruments Hanna Marine Magnesium Checker HC HI783 Saltwater Aquariums, Marine, Aquaculture Applications Magnesium Tester 64 grams

  • Fewer steps than other chemical tests
  • Color-coded syringes make the magnesium test simple and effortless
  • Dedicated to a single parameter

Hanna Instruments Marine Master Waterproof Wireless Multiparameter Photometer - HI97115UC

  • Test capabilities for 9 parameters using 1 device.
  • No warm up time needed before taking a measurement.
  • Exclusive positive-locking system to ensure correct placement every time.

Hanna Instruments HI758 Marine Calcium Checker Test Kit - Saltwater Aquariums

  • Easier to use and more accurate than chemical test kits, less expensive than professional testing
  • Accuracy +/-6 % of reading at 25 degree C / 77 degree F
  • Large LCD screen for readability

Hanna Instruments HI782-25 Marine Nitrate High Range Checker Reagents (25 Tests)

  • Pre-made reagents for ease of use
  • Prepared with high purity chemicals
  • Marked with expiration date and lot number for traceability

Hanna Marine Ammonia Checker HI784

  • More accurate than chemical test kits, less expensive than professional testing
  • Single button operation for ease of use
  • Large LCD screen for readability

Hanna Instruments HI755 Checker HC Low Range Saltwater Aquarium Water Testing Alkalinity Colorimeter

  • More accurate than chemical test kits, less expensive than professional testing
  • Single button operation for ease of use
  • Large LCD screen for readability

Hanna Instruments Reef Pro Checker Kit V2 - HI 772/758/774/98319/70436M

  • Monitor the health of your saltwater reef aquarium with the Reef Professional Kit for Calcium, Alkalinity, & Phosphates
  • Digital equipment for accurate results
  • Complete kit includes everything you need to test for multiple variants

HI772-26 HI755-26 Alkalinity Checker Reagent (25 Tests) - Hanna Instruments

  • Pre-made reagents for ease of use
  • Prepared with high purity chemicals
  • Marked with expiration date and lot number for traceability

HI758 - - CheckerHC Handheld Colorimeter - Calcium by Hanna Instruments

  • Easier to use and more accurate than chemical test kits
  • Dedicated to a single parameter
  • Small size, big convenience

Hanna PH Checker

  • More accurate than chemical test kits, less expensive than professional testing
  • Single button operation for ease of use
  • Large LCD screen for readability

Hanna Instruments HI 711 Checker HC Handheld Colorimeter, For Total Chlorine

  • More accurate than chemical test kits, less expensive than professional testing
  • Single-button operation for ease of use
  • Uses EPA-approved DPD method 4500-Cl G, for uses with these requirements

Hanna Instruments HI98129 Meter, pH/EC/TDS/Temp, 10" Height, 11" Wide, 20" Length

  • Range: 0.00 to 14.00 pH/0 to 3999 US/cm/0 to 2000 ppm/0.0 to 60.0°C / 32 to 140.0°F
  • Resolution: 0.01 pH/1 US/cm/1 ppm/0.1°C / 0.1°F
  • Accuracy: ±0.05 pH/±2 percent F.S./±0.5°C / ±1°f

Hanna Instruments HI701 Checker HC Handheld Colorimeter for Free Chlorine

  • More accurate than chemical test kits, less expensive than professional testing
  • Single button operation for ease of use
  • Uses EPA approved diethyl-p-phenylenediamine (DPD) method, for uses have these requirements

Hanna Instruments HI774-25 Phosphate Ultra Low Range Checker HC Reagents (25 Tests) by wwG Store

  • Pre-made reagents for ease of use
  • Prepared with high purity chemicals
  • Marked with expiration date and lot number for traceability

Hanna Salinity Tester HI98319

  • Onscreen stability indicator ensures the highest level of confidence in your results.
  • Compact size makes the HI98319 Marine Salinity Tester ideal for on-the-go testing.
  • Dual button operation streamlines the testing process for any user.

Marine Phosphate Ultra Low Range Colorimeter – Checker HI774

  • More accurate than chemical test kits, less expensive than professional testing
  • Single button operation for ease of use
  • Large LCD screen for readability

GroLine Hydroponic Waterproof pH/EC/TDS/Temperature Portable Meter

  • Made for hydroponic, aquaponic, and greenhouse growers
  • Specially designed for testing hydroponic nutrient solutions
  • Easy-to-read, large LCD digital screen displays all three measurements simultaneously

HI774-25 Hanna Instruments Phosphate Ultra Low Range Checker HC Reagents (2 Set - 50 Tests)

  • Pre-made reagents for ease of use
  • Prepared with high purity chemicals
  • HI774 Ultra Low Range Phosphate Checker will be essentially the same specifications as the HI736 Ultra Low Range Phosphorus Checker however it will not require a conversion but read directly in parts per million phosphates compared to parts per billion phosphorus.

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