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HM Digital Replacement pH Sensor Probe for HM-500
HM-500 Replacement pH probe2 Meter / 80 inch cable lengthIncludes pH storage solution, 6-month warranty
$41.51
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HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)
NaCl calibration solution 1000 ppm comes in lightweight HDPE plastic bottles. Sealed with a coated foam liner.
$6.56
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HM Digital AquaPro TDS/Temperature Meter
FEATURES Measures total dissolved solids (TDS) and temperature Automatic Temperature Compensation (ATC) Water-resistant housing Measurement Range: 0-5000 ...
$17.88
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HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester
The COM-80 is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics & ...
$29.73
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HM Digital HydroMaster HM-100 Continuous pH/EC/TDS/Temp Monitor
The HM Digital HydroMaster HM100 conveys 3 critical parameters for successful gardening. The HM100 is a versatile continuous monitor that ...
$104.33
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HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp
HydroMaster Digital testers make monitoring water easier than ever by reading the levels that matter most and providing accurate readings ...
$248.02
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HM Digital Hydromaster Replacement EC/TDS Probe
The HM Digital Hydromaster EC/TDS Probe is a replacement part for the HydroMaster HM-500.
$34.59
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HM Digital PH-80 pH/Temperature Meter
The PH-80 is an economically priced, reliable pH meter that is ideal for testing applications such as hydroponics & gardening, ...
$32.21
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HM Digital PH-STOR pH Electrode Storage Solution
For use with HM Digital's PH-200 and PH-80 (as well as other brands of pH meters). Always make sure your ...
$5.87
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HM Digital Replacement Platinum Sensor for COM-100
This spare sensor is for HM Digital EC/TDS/Temp Combo Meter model COM-100. Features platinum TDS/EC sensor and thermister.
$25.57
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HM Digital TDS-3 Handheld TDS meter
Ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficent and accurate due ...
$19.01
