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17 products

Showing 1 - 17 of 17 products

Showing 1 - 17 of 17 products
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GrowWare Digital 3-Way PH / TDS / TEMP MeterGrowWare Digital 3-Way PH / TDS / TEMP Meter
GrowGoods GrowWare Digital 3-Way PH / TDS / TEMP Meter
$32.99
General Hydroponics pH 7.01 Calibration Solution
General Hydroponics General Hydroponics pH 7.01 Calibration Solution
$12.99
GrowWare Digital Utility PH MeterGrowWare Digital Utility PH Meter
GrowGoods GrowWare Digital Utility PH Meter
$14.99
Save 15%
GrowWare Digital PH MeterGrowWare Digital PH Meter
GrowGoods GrowWare Digital PH Meter
$27.99 $32.99
Save 16%
Milwaukee Instruments pH600 Digital pH PenMilwaukee Instruments pH600 Digital pH Pen
Milwaukee Milwaukee Instruments pH600 Digital pH Pen
$26.99 $31.99
Save 12%
Bluelab pH Pen
Bluelab Bluelab pH Pen
$104.99 $119.00
Luster Leaf Rapitest Digital Soil pH Meter
Luster Leaf Products Inc Luster Leaf Rapitest Digital Soil pH Meter
$18.99
HM Digital TDS-3 Handheld TDS meter
HM Digital HM Digital TDS-3 Handheld TDS meter
$24.99
Bluelab Truncheon Nutrient MeterBluelab Truncheon Nutrient Meter
Bluelab Bluelab Truncheon Nutrient Meter
$125.00
Save 27%
Active Air 3-Way Meter - Test Moisture, Light, pH LevelsActive Air 3-Way Meter - Test Moisture, Light, pH Levels
Active Air Active Air 3-Way Meter - Test Moisture, Light, pH Levels
$9.99 $13.74
HM Digital PH-STOR pH Electrode Storage Solution
HM Digital HM Digital PH-STOR pH Electrode Storage Solution
$8.00
HM Digital pH 80 Meter
HM Digital HM Digital pH 80 Meter
$41.99
Save 15%
Bluelab pH 4.0 Calibration Solutions
Bluelab Bluelab pH 4.0 Calibration Solutions
$10.99 $13.00
GroStar EC Calibration Kit (2.77 EC) - 8oz
GroStar GroStar EC Calibration Kit (2.77 EC) - 8oz
$12.99
HM Digital 1000 ppm TDS Calibration Solution - 3 oz (90 ml)
HM Digital HM Digital 1000 ppm TDS Calibration Solution - 3 oz (90 ml)
$8.99
Save 18%
GroStar GS2 Soil pH PenGroStar GS2 Soil pH Pen
GroStar GroStar GS2 Soil pH Pen
$209.99 $256.99
Save 22%
GroStar GS4 (5-in-1) Combo Pen - pH/EC/TDS/TempGroStar GS4 (5-in-1) Combo Pen - pH/EC/TDS/Temp
GroStar GroStar GS4 (5-in-1) Combo Pen - pH/EC/TDS/Temp
$139.99 $178.99

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