Collection: Meters & Solutions
Shop our wide variety of water testing meters and calibration solutions to keep your garden's PH/EC/PPM/TDS in proper ranges.
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Bluelab 7.0 pH Calibration Solution
Regular price From $1.80 USDRegular priceUnit price / per$1.80 USDSale price From $1.80 USD -
Bluelab 4.0 pH Calibration Solution
Regular price From $1.80 USDRegular priceUnit price / per$1.80 USDSale price From $1.80 USD -
Bluelab pH Probe KCl Storage Solution
Regular price From $13.00 USDRegular priceUnit price / per$14.83 USDSale price From $13.00 USDSale -
General Hydroponics pH Control Kit
Regular price $15.00 USDRegular priceUnit price / per$22.98 USDSale price $15.00 USDSale -
Bluelab Guardian Monitor In-Line
Regular price From $162.00 USDRegular priceUnit price / per$210.94 USDSale price From $162.00 USDSale -
General Hydroponics PRO pH
Regular price From $76.00 USDRegular priceUnit price / per$124.86 USDSale price From $76.00 USDSale -
Hanna GroLine Waterproof Portable pH/EC/TDS Combo Meter
Regular price $299.00 USDRegular priceUnit price / per$299.00 USDSale price $299.00 USD -
Hanna GroLine Hydroponics pH Tester
Regular price $60.00 USDRegular priceUnit price / per$60.00 USDSale price $60.00 USD -
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Bluelab Soil pH Pen
Regular price $162.00 USDRegular priceUnit price / per$210.94 USDSale price $162.00 USDSale -
Front Row Ag Clean Up
Regular price $60.00 USDRegular priceUnit price / per$96.00 USDSale price $60.00 USDSale -
Bluelab pH & Conductivity Starter Pack
Regular price $214.00 USDRegular priceUnit price / per$249.00 USDSale price $214.00 USDSale -
Hanna GroLine Direct Soil EC Tester Pen
Regular price $160.00 USDRegular priceUnit price / per$160.00 USDSale price $160.00 USD -
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Bluelab pH Pen
Regular price $102.00 USDRegular priceUnit price / per$119.00 USDSale price $102.00 USDSale -
Hanna GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester
Regular price $215.00 USDRegular priceUnit price / per$215.00 USDSale price $215.00 USD -
Bluelab Guardian Monitor
Regular price From $30.74 USDRegular priceUnit price / per$30.74 USDSale price From $30.74 USD -
Apera GroStar GS4 pH/EC Combo Pen
Regular price $127.00 USDRegular priceUnit price / per$178.99 USDSale price $127.00 USDSale -
General Hydroponics pH Up Liquid
Regular price From $8.47 USDRegular priceUnit price / per$9.72 USDSale price From $8.47 USDSale -
Hanna GroLine Inline Monitor
Regular price $499.00 USDRegular priceUnit price / per$499.00 USDSale price $499.00 USD -
Hanna GroLine EC/PPM Pen
Regular price $110.00 USDRegular priceUnit price / per$110.00 USDSale price $110.00 USD -
Hanna GroLine Quick Calibration Solution
Regular price From $3.00 USDRegular priceUnit price / per$3.00 USDSale price From $3.00 USD -
Bluelab Original Truncheon Nutrient Meter
Regular price $128.00 USDRegular priceUnit price / per$149.00 USDSale price $128.00 USDSale -
Bluelab Nutrient Probe Care Kit Conductivity
Regular price $15.00 USDRegular priceUnit price / per$17.00 USDSale price $15.00 USDSale -
Bluelab Probe Care Kit - pH
Regular price $21.00 USDRegular priceUnit price / per$24.00 USDSale price $21.00 USDSale -
2-Way pH & Moisture Meter
Regular price $8.81 USDRegular priceUnit price / per$11.80 USDSale price $8.81 USDSale