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On Sale 37%On Sale 37%
(DAMAGED BOX) HI775 Marine Alkalinity Checker HC (Freshwater) - Hanna Instruments
Hanna Instruments$63.95$39.99The Hanna Freshwater Alkalinity Checker bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely... -
On Sale 22%On Sale 22%
(DAMAGED BOX) HI781 Saltwater Nitrate Low Range Checker - Hanna Instruments
Hanna Instruments$63.95$49.99Get accurate water testing results with the HI781 Marine Nitrate Low Range Colorimeter. With a digital read out, there is no more struggling to determine colors visually. This nitrate tester's... -
On Sale 31%On Sale 31%
(DISCONTINUED - EXP 4/23) pH 10.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments
Hanna Instruments$29.00$19.99EXP 4/23 HI70010P is a premium quality pH 10.01 calibration buffer solution. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each... -
On Sale 33%On Sale 33%
(DISCONTINUED - EXP 7/23) HI7010L 10.01 pH Calibration Buffer Solution (500 ml) Bottle - Hanna Instruments
Hanna Instruments$15.00$9.99EXP 7/23 HI7010/1L is a premium quality pH 10.01 calibration solution that has been dyed violet for easy buffer identification. Hanna calibration buffers have the lot number and expiration date... -
On Sale 50%On Sale 50%
(EXPIRE 8/23) HI780-11 Saltwater pH Checker Calibration Check Set - Hanna Instruments
Hanna Instruments$16.00$8.00HI780-11 is a high-quality set of calibration standards that allows users to validate the Marine pH Checker® HC - HI780. The calibration check set is produced in our state-of-the-art... -
(HI740228) Filter Discs for Select Photometers (25 pcs) - Hanna Instruments
Hanna Instruments$6.00HI740228 is a filter disc; part of accessory kit for preparation of samples to be analyzed with the HI781 Hanna Nitrate Checker photometers. -
(HI740270) 10 ml Syringe with Luer Lock HI781 part - Hanna Instruments
Hanna Instruments$9.9910 ml Syringe with Luer Lock used in Hanna HI781 Nitrate Checker -
(HI740271) Filter Holder with Luer Lock HI781 part - Hanna Instruments
Hanna Instruments$14.00The HI740271 is a replacement filter holder with Luer lock (1 pc.) for use with the HI781 Low Range Marine Nitrate Checker. -
(HI780-25) Marine pH Checker Reagents (100 Tests) - Hanna
Hanna Instruments$16.00The HI780-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their Marine pH Checker® HC. These reagents follow the Phenol... -
(HI781-25) Marine Low Range Nitrate Checker Reagents (25 Tests) - Hanna Instruments
Hanna Instruments$16.00The HI781-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their HI781 Marine Nitrate Low Range Colorimeter. These reagents follow... -
(HI782-11) Marine Nitrate HIGH RANGE Certified Check Set - Hanna Instruments
Hanna Instruments$18.00The Marine Nitrate High Range Checker® HC Calibration Check Set - HI782-11 provides a simple solution to validating the Marine Nitrate High Range Checker® HC - HI782. This... -
(HI783) Marine Magnesium Checker HC Handheld Colorimeter - Hanna Instruments
Hanna Instruments$63.95THESE ARE THE NEWLY UPDATED REAGENTS. Now 1x powder and 1x liquid. The testing process is the same as Alkalinity HI772 with one second liquid reagent. The HI783 Marine Magnesium Checker... -
(HI783-11) Marine Magnesium Certified Calibration Standard Kit
Hanna Instruments$17.00The HI783-11 Marine Magnesium Certified Standard Kit is used to validate the performance of the HI783 Marine Magnesium Checker HC. The kit includes one sealed cuvette with a zero-magnesium value and... -
(HI783-25) Marine Magnesium Reagents - 25 Tests - Hanna Instruments
Hanna Instruments$16.50This is the new reagents set with 1x Powder, 1x Liquid. These Reagents are for use with the HI783 Marine Magnesium Checker. These high-quality reagents are manufactured at the Hanna... -
(HI784) Marine Ammonia Checker Handheld Colorimeter (Saltwater) - Hanna Instruments
Hanna Instruments$63.95The HI784 Marine Ammonia Checker HC is a handheld colorimeter that uses the Beer-Lambert principle to determine the concentration of ammonia colorimetrically. The HI784 is designed specifically to... -
(HI98304) DiST4 Waterproof Electrolytic Conductivity (EC) Tester - Hanna Instruments
Hanna Instruments$68.00The DiST® 4 features a large multi-level LCD which displays both conductivity and temperature readings simultaneously. The EC readings are displayed with a 0.01 mS/cm resolution and with an... -
On Sale 25%On Sale 25%
(OVERSTOCK) (Expires 11/2025) (HI781-25) Marine Low Range Nitrate Checker Reagents (25 Tests) - Hanna Instruments
Hanna Instruments$16.00$11.99The HI781-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their HI781 Marine Nitrate Low Range Colorimeter. These reagents follow... -
35 ppt Salinity Calibration Solution Packs HI70024P (25 x 20 mL) - Hanna Instruments
Hanna Instruments$29.00HI70024P is a premium quality 35.00 ppt salinity calibration solution that is NIST traceable and contained in portable single-use sachets. Each sachet has the lot number and expiration date stamped... -
Checker Plus pH Tester (HI98100) Plus - Hanna Instruments
Hanna Instruments$48.00The HI98100 Checker Plus is the next generation of the original Hanna Checker pH tester. The Checker is the most popular pH meter in the world with over 1 million meters used since its introduction... -
Checktemp® 1 Digital Thermometer (HI98509) - Hanna Instruments
Hanna Instruments$43.00The Checktemp® 1 Digital Thermometer - HI98509 is a high-accuracy thermometer with a 1 m (3.3’) flexible, silicone cable connecting the meter and the stainless steel probe. The sharp-tip...