Redefine Quality with Hanna Hi729’s Top Picks

From cutting-edge tech to timeless staples, Hanna Hi729 covers all your needs.

AQUIDAN Hanna Instruments Hi98107 Phep Highly Precise Ph Meter Hanna Family Model Water Acidity Purity Tester Digital Ph Meter

3.8

$96

Hanna PH Checker

4.7

$440

Hanna HI98301 New DiST1, Waterproof TDS Tester with ATC, 1999 ppm (mg/L)

3.4

$43

Primetek Pocket Size PH Meter Hanna Brand

4.1

$14

Hanna InstrumentsHI 782 25 Marine Nitrate High Range Checker Reagents (25 Tests)

4.8

BD$108

HANNA HI772-26 or HI755-26 Alkalinity Reagent Refill (25 Tests)

4.6

$69

Hanna Instruments HI729-11 Calibration Checking Set for HC HI 729 Fluoride Low Range Checker

BD$44

Hanna Instruments Marine Ammonia Checker HI784

4.1

$258

HANNA Alkalinity (dKH) Checker HC - HI 772 for Marine Saltwater Aquariums

4.6

$290

Hanna HI-780 Marine pH Checker Saltwater Colorimeter

4.6

$358

Hanna Instruments HI98308 Water Purity Tester, 0.0 to 99.9 mS/cm, 0.1 mS/cm Resolution, +/-2% Accuracy

$854

Hanna InstrumentsSalinity Tester HI98319

4.5

$311

Hanna InstrumentsHigh Range Nitrate Checker HI782

4.6

$261

Hanna InstrumentsHI774-25 Phosphate Ultra Low Range Checker HC Reagents (2 Set - 50 Tests)

4.9

$193

Hanna InstrumentsChecker Copper High Range Colorimeter

4.6

$283

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

4.7

$108

Hanna HI98107 New pHep, 0.1 pH, with ATC, Waterproof

3.5

$80

HANNAHI-774 Marine Phosphate ULR Checker HC colorimeter

4.5

$351

Hanna InstrumentsHigh Range Nitrate Checker HI 782

4.6

$285

Hanna Marine Alkalinity (dKH) Checker HC - HI772

4.7

$116

Hanna Instruments HI-7007L pH7.01 Solution, 500 mL

5.0

$200

Hanna Instruments Marine Magnesium Checker® HC HI783

4.2

$308

Hanna Instruments Two Pack HI772-26 (HI755-26) Alkalinity Checker Reagent for 50 tests

$339

Hanna Instruments HI70024P 35 PPT Salinity Calibration Solution (25 Pack) Sachet

4.7

$255

API Api Copper Test Kit 90-Test Aquarium Water Test Kit

4.3

$58

Hanna Instruments HI 98107 pH and pH Meter with +/- 0.1 Accuracy

4.0

$236

Hanna InstrumentsHI-711Total Chlorine Checker, 0.00 ppm to 2.50 ppm

4.4

$289

Hanna Instruments HI 96801 Digital Refractometer, 0-85% Brix Range, For Sugar Analysis

4.1

$596

Hanna Instruments - Free Chlorine Checker® HC - HI701

5.0

$402

Hanna Instruments HI 70300M Storage Solution for pH/ORP Electrodes, 230mL Bottle

FREE

Hanna InstrumentsHI93701-01 Chlorine Reagents

4.6

$166

Hanna InstrumentsHI782-25 Marine Nitrate High Range Checker Reagents Set of 2 (Total of 50 Tests)

4.7

$60

Hanna Instruments Combo pH/EC/TDS/C/PPM Tester HI98129

3.7

$884

Hanna Freshwater Alkalinity Checker® HC Reagents (25 Tests) HI775-26

$306

Hanna HI 772 Alkalinity Handheld Checker

4.7

$291

Hanna Instruments Glass Cuvettes and Caps for Checker HC Colorimeters (Set of 2)

5.0

$6

Hanna InstrumentsChecker Copper High Range Colorimeter

5.0

$281

Hanna Instruments HI98108 pHep+ Pocket pH Tester with 0.01 pH Resolution

4.5

$300

Hanna InstrumentsHI7061L General Purpose Electrode Cleaning Solution, 500mL Bottle

4.6

$199

Hanna Instruments HI701 Checker HC Handheld Colorimeter for Free Chlorine

4.2

$579

Hanna Instruments HI98103 Checker pH Tester with Ph Electrode and Batteries, 0.00 to 14.00 pH, -0.2 pH Accuracy, 0.1 pH Resolution

4.2

$187

Hanna Instruments HI 98130 Waterproof pH/Conductivity/TDS Tester with ATC, High Range

$263

Hanna InstrumentsPH Calibration Combo Pack 4.0, 7.0, 10.0

4.3

$142

Hanna Instruments HI70024P 35 PPT Salinity Calibration Solution Single Sachet

$6

Two Pack: Hanna Instruments HI 713-25 Reagents Phosphate for HI 713 Checker HC (Total of 50 Tests)

4.6

$186

Hanna Instruments HI98103 Checker pH Tester with Replaceable Electrode for Plant Germination

4.1

$177

Hanna Instruments Marine Phosphate Ultra Low Range Colorimeter – Checker HI774

4.6

$362

Hanna Instruments HI775 Freshwater Alkalinity Checker Test Kit - Freshwater Aquariums

4.7

$398

Hanna InstrumentsHI 98127 Waterproof PH Tester

4.1

$589

Science2Education HI-701 Hanna Instruments Free Chlorine Checker, 0.00 ppm to 2.50ppm

4.2

$350

Hanna Marine Alkalinity Checker HI 772

$579

HANNAHI 781 Nitrate Low Range Saltwater Checker

3.8

$178

HANNA HI-98107 pHep pH Tester

4.2

$126

Hanna Instruments HI780-25 Reagents for HI780 Checker HC ® for pH in Sea Water Approximately 100 Tests

$368

Hanna 4.01 pH Calibration 20 ml Packet

$98

PH METER HI-98107 By HANNA INSTRUMENTS & Best Price Square

4.5

$594

Hanna InstrumentsMarine Alkalinity Checker HI755

4.5

$119

Two-Pack: Hanna Instruments HI 736-25 Phosphorus Reagents (50 Tests)

4.7

$305

Hanna HI98100 Checker® Plus pH r

$749

Hanna Instruments HI98120 Redox pH Tester

$1,209

Hanna Instruments Checktemp 1 C Pocket Thermometer with Battery (Puncture Sensor with 1 m Cable)

5.0

$6

Buffer Solution pH 4.01, 500mL

$116

Hanna InstrumentsHI764 Marine Nitrite Ultra Low Range Checker HC

4.5

$262

Hanna Instruments70010 pH 10.01 Calibration Solution, 20ml, Case of 25

$72

Hanna InstrumentsHI900900 Windows Compatible Software, For HI 900 Series Titration System

$51

VIVOSUN Digital PH Meter for Water, 0.01ph High Accuracy Pen Type PH Tester for Hydroponics, Household Drinking, Pool and Aquarium

3.8

$61

Hanna Instruments HI 98501Penetration thermometer, Temperature range -50 to +150 °C

5.0

$12

Hi731325 Hanna Instruments Hi731325 Cuvet Caps (Pack of 4)

$56

Seachem Multi Test Copper, Kit For Marine & Freshwater

$33

Hanna InstrumentsHI98127 pH -pHep4 Pocket Tester with Replaceable Electrode Water Quality Tester, Red, 4.5 x 4.5 x 3.0 cm

3.2

$844

COMBO PACK! Hanna Instruments HI713 Phosphate Low Range Checker HC plus HI 713-25 (25 reagents)

$6

Hanna Instruments HI 98509Penetration thermometer, Temperature range -50 to +150 °C

$471

Hanna InstrumentsHI782-25 Marine Nitrate High Range Checker Reagents Set of 2 (Total of 50 Tests)

4.7

$98

Hanna Instruments HI 755-26 Alkalinity Reagent Kit, For Alkalinity Checker HC (25 Tests)

4.5

$119

Hanna Instruments HI 70300M Storage Solution for pH/ORP Electrodes, 230mL Bottle

4.5

$43

Hanna Instruments Checker Copper High Range Colorimeter

4.6

$457

Hanna Instruments HI98128 pHep 5pH/Temperature Tester, 6-25/64" Length x 1-19/32" Width x 1" Height

4.2

$804

Hanna Instruments HI70300L pH/ORP Electrode Storage Solution, 500mL Bottle

4.7

FREE

Hanna HI98121 ORP or pH or Temperature Tester

$476