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HM Digital Meters

HM Digital PH-80 pH/Temperature Meter
Out of stock
$38.25 $46.50 -18%
HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)
In Stock: 97
$7.97 $9.49 -16%
HM Digital TDS-3 Handheld TDS meter
In Stock: 23
$23.09 $33.99 -32%
HM Digital Hydromaster Replacement EC/TDS Probe
Out of stock
$41.99 $49.99 -16%
HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester
In Stock: 60
$36.08 $42.95 -16%
HM Digital PH-STOR pH Electrode Storage Solution
In Stock: 38
$7.13 $8.49 -16%
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