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Apera GroStar GS3 EC Pen
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HM Digital Handheld TDS Tester Model TDS-3
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Apera GroStar GS1-E Replacement pH Electrode
Regular price $44.00 USDRegular priceUnit price per$50.99 USDSale price $44.00 USDSale -
Apera GroStar GS2-E Replacement Soil Spear pH Electrode
Regular price $156.00 USDRegular priceUnit price per$181.99 USDSale price $156.00 USDSale -
Apera GroStar GS3-E Replacement EC Electrode
Regular price $47.00 USDRegular priceUnit price per$53.99 USDSale price $47.00 USDSale -
Apera GroStar GS4-E Replacement pH/EC Combo Electrode
Regular price $69.00 USDRegular priceUnit price per$79.99 USDSale price $69.00 USDSale -
Apera GroStar pH Calibration Kit pH 4/7
Regular price $17.00 USDRegular priceUnit price per$18.99 USDSale price $17.00 USDSale -
Apera GroStar pH Calibration Kit pH 4/7/10
Regular price $25.00 USDRegular priceUnit price per$28.99 USDSale price $25.00 USDSale -
HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp
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HM Digital PH-200 Waterproof pH/Temperature Meter
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HM Digital Hydromaster Replacement EC/TDS Probe
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HM Digital Replacement pH Sensor Probe for HM-500
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HM Digital PH-STOR pH Electrode Storage Solution
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Active Air 3-Way Meter
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Milwaukee Instruments EC40 PRO EC/TDS Nutrient Meter
Regular price $97.00 USDRegular priceUnit price per$90.20 USDSale price $97.00 USD -
Milwaukee Instruments pH 4.01 Calibration Solution
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P3 International Save a Drop Water Meter
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Milwaukee Instruments MA871 Digital Brix Refractometer Range 0-85%
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