pH, EC & TDS
Showing 113–128 of 180 results
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Microbe Life Hydroponics pH DOWN, 1 gal
Sale! $39.96
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Microbe Life Hydroponics pH UP, 2.5 gal
Sale! $71.96
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Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration
Sale! $18.63
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Milwaukee Instruments MA871 Digital Brix Refractometer, Range 0-85%
Sale! $139.71
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Milwaukee Instruments pH 7 Calibration Solution, 20 ml Sachets, case of 25
Sale! $15.71
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HM Digital Replacement pH Sensor for PH-200
Sale! $32.76
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HM Digital Replacement Platinum Sensor for COM-100
Sale! $24.24
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HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp
Sale! $235.05
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Active Aqua Hydroponic pH Test Kit
Sale! $4.15
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Cutting Edge Solutions pH Up, 1 gal, case of 4
Sale! $70.10
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Cutting Edge Solutions pH Up, 1 qt, case of 12
Sale! $85.31
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Cutting Edge Solutions pH Down, 1 gal, case of 4
Sale! $70.10
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Cutting Edge Solutions pH Down, 1 qt, case of 12
Sale! $85.31
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Bluelab pH 7.0 Calibration Solution, 250 ml, case of 6
Sale! $33.22
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Showing 113–128 of 180 results
