Hanna Checkers

Hanna Checkers products are compact, easy-to-use digital testers designed to make water testing simple and accurate for everyone. Combining the reliability of professional instruments with the convenience of a handheld device, Hanna Checkers provide quick results for a range of water parameters, including chlorine, pH, and alkalinity. Ideal for pool owners, hobbyists, and professionals alike, these testers make monitoring water quality fast, efficient, and hassle-free.

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58 products

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Hanna Instruments HI-7214 Iron Checker
Hanna Instruments
Hanna Instruments HI-7214 Iron Checker Sale price£71.35 Regular price£75.10
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Hanna Instruments-720 Calcium Hardness Handheld Colorimeter - Checker HCHanna Instruments-720 Calcium Hardness Handheld Colorimeter - Checker HC
Hanna Instruments
Hanna Instruments-720 Calcium Hardness Handheld Colorimeter - Checker HC Sale price£79.42 Regular price£83.60
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Hanna Instruments-719 Magnesium Hardness Handheld Colorimeter - Checker®HC
Hanna Instruments
Hanna Instruments-719 Magnesium Hardness Handheld Colorimeter - Checker®HC Sale price£85.69 Regular price£90.20
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Hanna Instruments-709 Manganese High Range Handheld Colorimeter - Checker®HC
Hanna Instruments
Hanna Instruments-709 Manganese High Range Handheld Colorimeter - Checker®HC Sale price£85.69 Regular price£90.20
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Hanna Instruments HI-REEFKIT Marine Testing Kit
Hanna Instruments
Hanna Instruments HI-REEFKIT Marine Testing Kit Sale price£399.38 Regular price£420.40
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Hanna Instruments HI-981520 Marine Monitor for pH, EC, Marine Salinity and TemperatureHanna Instruments HI-981520 Marine Monitor for pH, EC, Marine Salinity and Temperature
Hanna Instruments
Hanna Instruments HI-981520 Marine Monitor for pH, EC, Marine Salinity and Temperature Sale price£292.98 Regular price£308.40
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Hanna Instruments HI-97700 Ammonia Low Range photometerHanna Instruments HI-97700 Ammonia Low Range photometer
Hanna Instruments
Hanna Instruments HI-97700 Ammonia Low Range photometer Sale price£502.45 Regular price£528.90
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Hanna Instruments HI-97105 Marine Master PhotometerHanna Instruments HI-97105 Marine Master Photometer
Hanna Instruments
Hanna Instruments HI-97105 Marine Master Photometer Sale price£305.80 Regular price£321.90
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Hanna Instruments HI-783 Marine Magnesium CheckerHanna Instruments HI-783 Marine Magnesium Checker
Hanna Instruments
Hanna Instruments HI-783 Marine Magnesium Checker Sale price£82.36 Regular price£86.70
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Hanna Instruments HI-784 Marine Ammonia CheckerHanna Instruments HI-784 Marine Ammonia Checker
Hanna Instruments
Hanna Instruments HI-784 Marine Ammonia Checker Sale price£82.36 Regular price£86.70
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Hanna Instruments HI-767 Marine Nitrite Low Range CheckerHanna Instruments HI-767 Marine Nitrite Low Range Checker
Hanna Instruments
Hanna Instruments HI-767 Marine Nitrite Low Range Checker Sale price£71.34 Regular price£75.10
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Hanna Instruments HI-735 Total Hardness Low Range Checker Handheld ColorimeterHanna Instruments HI-735 Total Hardness Low Range Checker Handheld Colorimeter
Hanna Instruments
Hanna Instruments HI-735 Total Hardness Low Range Checker Handheld Colorimeter Sale price£85.69 Regular price£90.20
Save £21.91
Hanna Instruments-775 Freshwater Alkalinity Colorimeter - CheckerHC Clearance ItemHanna Instruments-775 Freshwater Alkalinity Colorimeter - CheckerHC Clearance Item
Hanna Instruments
Hanna Instruments-775 Freshwater Alkalinity Colorimeter - CheckerHC Clearance Item Sale price£49.99 Regular price£71.90
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Hanna Instruments HI-7024 Copper Checker ClearanceHanna Instruments HI-7024 Copper Checker Clearance
Hanna Instruments
Hanna Instruments HI-7024 Copper Checker Clearance Sale price£59.99 Regular price£75.10
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Hanna Instruments HI-736 Phosphorus Marine Ultra-Low Range Colorimeter - Checker HC Clearance ItemHanna Instruments HI-736 Phosphorus Marine Ultra-Low Range Colorimeter - Checker HC Clearance Item
Hanna Instruments
Hanna Instruments HI-736 Phosphorus Marine Ultra-Low Range Colorimeter - Checker HC Clearance Item Sale price£59.99 Regular price£75.10
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Hanna Instruments Marine Nitrate Low Range Handheld Colorimeter Clearance ItemHanna Instruments Marine Nitrate Low Range Handheld Colorimeter Clearance Item
Hanna Instruments
Hanna Instruments Marine Nitrate Low Range Handheld Colorimeter Clearance Item Sale price£64.99 Regular price£75.10
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Hanna Instruments HI-746 Iron Low Range Colorimeter CheckerHanna Instruments HI-746 Iron Low Range Colorimeter Checker
Hanna Instruments
Hanna Instruments HI-746 Iron Low Range Colorimeter Checker Sale price£85.69 Regular price£90.20
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Hanna Instruments HI-739 Fluoride High Range Colorimeter CheckerHanna Instruments HI-739 Fluoride High Range Colorimeter Checker
Hanna Instruments
Hanna Instruments HI-739 Fluoride High Range Colorimeter Checker Sale price£85.69 Regular price£90.20
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Hanna Instruments HI-774 Marine Phosphate ULR CheckerHanna Instruments HI-774 Marine Phosphate ULR Checker
Hanna Instruments
Hanna Instruments HI-774 Marine Phosphate ULR Checker Sale price£71.35 Regular price£75.10
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Hanna Instruments HI-702 Copper High Range Colorimeter Checker HCHanna Instruments HI-702 Copper High Range Colorimeter Checker HC
Hanna Instruments
Hanna Instruments HI-702 Copper High Range Colorimeter Checker HC Sale price£80.28 Regular price£84.50
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Hanna Instruments HI-718 Iodine Handheld Colorimeter Checker
Hanna Instruments
Hanna Instruments HI-718 Iodine Handheld Colorimeter Checker Sale price£71.35 Regular price£75.10
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Hanna Instruments Phosphate HR Checker HC Calibration Checking Set
Hanna Instruments
Hanna Instruments Phosphate HR Checker HC Calibration Checking Set Sale price£21.76 Regular price£22.90
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Hanna Instruments-HI-780 Marine pH Checker Saltwater ColorimeterHanna Instruments-HI-780 Marine pH Checker Saltwater Colorimeter
Hanna Instruments
Hanna Instruments-HI-780 Marine pH Checker Saltwater Colorimeter Sale price£71.35 Regular price£75.10
Save £3.88
Hanna Instruments HI-779 pH CheckerHanna Instruments HI-779 pH Checker
Hanna Instruments
Hanna Instruments HI-779 pH Checker Sale price£73.82 Regular price£77.70

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