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Linis Grow Catalytic Inline Garden Hose Filter
Regular price $44.99 USDRegular priceUnit price per$59.95 USDSale price $44.99 USDSale -
pH/Temp Water Resistant HydroTester PH-80
Regular price $41.85 USDRegular priceUnit price per$46.50 USDSale price $41.85 USDSale -
HM Digital COM-80 Pen Style TDS/EC/Temp Meter
Regular price $38.66 USDRegular priceUnit price per$42.95 USDSale price $38.66 USDSale -
HM Digital TDS-3 Pen Style TDS/EC/Temp Meter
Regular price $17.96 USDRegular priceUnit price per$19.95 USDSale price $17.96 USDSale -
HM Digital Pro Series PH-200 Pen Style pH/Temp Meter
Regular price $89.96 USDRegular priceUnit price per$99.95 USDSale price $89.96 USDSale -
HM Digital Pro Series COM-100 Pen Style TDS/EC/Temp Meter
Regular price $67.46 USDRegular priceUnit price per$74.95 USDSale price $67.46 USDSale -
HM Digital Pro Series COM-300 Pen Style pH/TDS/Temp Meter
Regular price $143.96 USDRegular priceUnit price per$159.95 USDSale price $143.96 USDSale -
HM Digital HM-100 Continuous pH/EC/TDS/Temp Monitor
Regular price $269.99 USDRegular priceUnit price per$299.99 USDSale price $269.99 USDSale -
HM Digital Hydromaster HM-200 Portable pH/TDS/EC/Temp Meter
Regular price $247.46 USDRegular priceUnit price per$274.95 USDSale price $247.46 USDSale -
HM Digital Hydromaster HM-500 Continuous pH/TDS/EC/Temp
Regular price $323.96 USDRegular priceUnit price per$359.95 USDSale price $323.96 USDSale -
HM Digital Digital Brix Refractometer
Regular price $305.96 USDRegular priceUnit price per$339.95 USDSale price $305.96 USDSale -
HM Digital TDS 1000 ppm Calibration Solution Bottle
Regular price $6.75 USDRegular priceUnit price per$7.50 USDSale price $6.75 USDSale -
HM Digital TDS 1000 ppm Calibration Solution - 20 packets of 20ml
Regular price $22.46 USDRegular priceUnit price per$24.95 USDSale price $22.46 USDSale -
HM Digital pH Electrode Storage Solution - 60cc
Regular price $6.26 USDRegular priceUnit price per$6.95 USDSale price $6.26 USDSale -
HM Digital pH Electrode Storage Solution - 20 packets of 20ml
Regular price $22.46 USDRegular priceUnit price per$24.95 USDSale price $22.46 USDSale -
HM Digital pH 4.0 Buffer Solution - 20 packets of 20ml
Regular price $22.46 USDRegular priceUnit price per$24.95 USDSale price $22.46 USDSale -
HM Digital pH 7.0 Buffer Solution - 20 packets of 20ml
Regular price $22.46 USDRegular priceUnit price per$24.95 USDSale price $22.46 USDSale -
HM Digital 20 Pack Mix: 1000ppm TDS, pH 4, pH 7, pH Storage Solutions
Regular price $22.46 USDRegular priceUnit price per$24.95 USDSale price $22.46 USDSale -
Gard'nClean Chlorine Dioxide Test Strips - Wide Range
Regular price $22.46 USDRegular priceUnit price per$24.95 USDSale price $22.46 USDSale -
Gard'nClean Chlorine Dioxide Test Strips - Low Range
Regular price $22.46 USDRegular priceUnit price per$24.95 USDSale price $22.46 USDSale -
HM Digital Replacement EC/TDS Sensor for COM-100
Regular price $31.46 USDRegular priceUnit price per$34.95 USDSale price $31.46 USDSale -
HM Digital Replacement pH/Temp Sensor for PH-200
Regular price $40.46 USDRegular priceUnit price per$44.95 USDSale price $40.46 USDSale -
HM Digital Replacement Sensor for COM-300
Regular price $56.66 USDRegular priceUnit price per$62.95 USDSale price $56.66 USDSale -
HM Digital Replacement EC/TDS Sensor for HM-100 and HM-200
Regular price $44.96 USDRegular priceUnit price per$49.95 USDSale price $44.96 USDSale
