Accessories for Water Testing
We offer water testing accessories and replacement parts to make regulating your water and testing water for contaminants simple.
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HM Digital C342 TDS and EC Calibration Solution - 342 ppm NaCl 3oz/89mL
Single - $9.00
Case of 36 - $307.80
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HM Digital SP-P5 pH Replacement Probe for HydroMaster HM-500
Default Title - $40.18
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HM Digital SP-1-PSC TDS/EC Sensor Probe for Panel Mounted Controllers
Default Title - $43.10
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HM Digital pH/ORP Electrode Storage Solution
Default Title - $9.69
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HM Digital SP-C5 TDS/EC Replacement Probe for HydroMaster HM-500
Default Title - $34.32
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HM Digital C1000 TDS and EC Calibration NaCl Solution - 1000 ppm 3oz/89ml
Single - $10.01
Case of 24 - $228.23
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HM Digital pH Buffer Solution Variety Pack
Default Title - $8.26
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Pentair Connected Salt Level Sensor
Default Title - $99.00
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Resilite Inline PVC Body for R7031 LED DI Test Light 3/4 FPT In/Out x 1/2 FNPT Port
Default Title - $45.27
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HM Digital SP-1 TDS/EC Sensor Probe for Panel Mounted Controllers
Default Title - $43.10
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HM Digital SP-2 Dual TDS Sensor Probe for DM-1 Dual Inline TDS Monitor
Default Title - $10.32
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ORP Buffer Solution and Electrode Test Kit
Default Title - $8.80
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HM Digital SP-3 Dual TDS Sensor Probes for DM-2 Dual Inline TDS Monitor
Default Title - $17.54
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Extech CL203 ExTab Reagent Tablets (10pk - 100 tests)
Default Title - $23.92
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HM Digital Single Sensor Probe 4 pin connector
Single - $10.95
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HM Digital CC-1 Cover for Panel Mounted Controllers
Default Title - $26.23
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HM Digital Extended Range EC/TDS Mini Controller
Single - $139.95
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Extech CL205 ExStik Replacement Chlorine Electrode Module
Default Title - $97.89
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CARAFE 3QT WATERWISE 8500
Default Title - $15.25
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HM Digital TDS 1000 ppm Calibration Solution, 20 ml
Default Title - $1.25
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HM Digital Replacement Sensors for PSC-64D
Single - $54.95
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HM Digital pH-4 Buffer Solution 20 ml
Default Title - $1.25
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HM Digital pH Electrode Storage Solution
Default Title - $0.80
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HM Digital Replacement Iron Rod for PR-1
Default Title - $2.14
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HM Digital pH-7 Buffer Solution 20 ml
Default Title - $1.25
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Polypropylene Beaker 100 ml
Default Title - $1.25
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LDM-220 Dosimeter Proximity Reader for DMC-2000X, DMC-2000S, SOR/RF
Default Title - $845.00
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Replacement Reagent #2, Bottle of 50
Default Title - $16.24
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Replacement Reagent #1, Bottle of 50
Default Title - $16.24
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Replacement Aluminum Rod - PR 2
Default Title - $2.25
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Replacement Aluminum Rod - PR 1
Default Title - $2.14
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HM Digital C342 TDS and EC Calibration Solution - 342 ppm NaCl 3oz/89mL
Single - $9.00
Case of 36 - $307.80
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HM Digital SP-P5 pH Replacement Probe for HydroMaster HM-500
Default Title - $40.18
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HM Digital SP-1-PSC TDS/EC Sensor Probe for Panel Mounted Controllers
Default Title - $43.10
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HM Digital pH/ORP Electrode Storage Solution
Default Title - $9.69
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HM Digital SP-C5 TDS/EC Replacement Probe for HydroMaster HM-500
Default Title - $34.32
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HM Digital C1000 TDS and EC Calibration NaCl Solution - 1000 ppm 3oz/89ml
Single - $10.01
Case of 24 - $228.23
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HM Digital pH Buffer Solution Variety Pack
Default Title - $8.26
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Pentair Connected Salt Level Sensor
Default Title - $99.00
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Resilite Inline PVC Body for R7031 LED DI Test Light 3/4 FPT In/Out x 1/2 FNPT Port
Default Title - $45.27
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HM Digital SP-1 TDS/EC Sensor Probe for Panel Mounted Controllers
Default Title - $43.10
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HM Digital SP-2 Dual TDS Sensor Probe for DM-1 Dual Inline TDS Monitor
Default Title - $10.32
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ORP Buffer Solution and Electrode Test Kit
Default Title - $8.80
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HM Digital SP-3 Dual TDS Sensor Probes for DM-2 Dual Inline TDS Monitor
Default Title - $17.54
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Extech CL203 ExTab Reagent Tablets (10pk - 100 tests)
Default Title - $23.92
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HM Digital Single Sensor Probe 4 pin connector
Single - $10.95
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HM Digital CC-1 Cover for Panel Mounted Controllers
Default Title - $26.23
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HM Digital Extended Range EC/TDS Mini Controller
Single - $139.95
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Extech CL205 ExStik Replacement Chlorine Electrode Module
Default Title - $97.89
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CARAFE 3QT WATERWISE 8500
Default Title - $15.25
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HM Digital TDS 1000 ppm Calibration Solution, 20 ml
Default Title - $1.25
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HM Digital Replacement Sensors for PSC-64D
Single - $54.95
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HM Digital pH-4 Buffer Solution 20 ml
Default Title - $1.25
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HM Digital pH Electrode Storage Solution
Default Title - $0.80
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HM Digital Replacement Iron Rod for PR-1
Default Title - $2.14
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HM Digital pH-7 Buffer Solution 20 ml
Default Title - $1.25
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Polypropylene Beaker 100 ml
Default Title - $1.25
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LDM-220 Dosimeter Proximity Reader for DMC-2000X, DMC-2000S, SOR/RF
Default Title - $845.00
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Replacement Reagent #2, Bottle of 50
Default Title - $16.24
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Replacement Reagent #1, Bottle of 50
Default Title - $16.24
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Replacement Aluminum Rod - PR 2
Default Title - $2.25
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Replacement Aluminum Rod - PR 1
Default Title - $2.14
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Fresh Water Systems carries accessories and replacement parts to make water testing and monitoring simple. Browse our selection for sensor probes, reagent tablets, pH buffer solutions, TDS and EC calibration solutions, batteries, and more.