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Bluelab Conductivity Standard Solution | 500mL- 2.77 EC - Designed for Bluelab Products
In stock
$17.56 $17.84 -2%
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Bluelab pH 4.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In stock
$17.56 $17.84 -2%
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Bluelab pH 7.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In stock
$17.56 $17.84 -2%
Save 17%
P3 International Save a Drop Water Meter
In stock
$16.52 $19.95 -17%
Dilution Solutions HM Digital EC Tester | 6in x 1.7in x .7in
In stock
$15.84 $39.95 -60%
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GroStar pH calibration kit (pH 4/7, 8 oz. each)
In stock
$15.72 $18.99 -17%
Luster Leaf Rapitest Digital Soil pH Meter | Results From 3.5 - 9.0
In stock
$15.41 $21.29 -28%
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Bluelab Probe Care Kit | for Bluelab Conductivity Probes
In stock
$15.17 $15.40 -1%
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Bluelab Conductivity Standard Solution | 120ml - 2.77EC
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$13.06 $13.26 -2%
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Milwaukee Instruments pH 4.01 Calibration Solution, 230 ml
In stock
$12.65 $13.90 -9%
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Milwaukee Instruments pH 7.01 Solution, 230 ml
In stock
$12.65 $13.90 -9%
SUNPACK Tri-Meter Moisture, Light & pH | Measures Moisture, Light & pH
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$12.42 $16.99 -27%
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GroStar EC Calibration Kit (2.77 EC, 8 oz. each)
In stock
$12.41 $14.99 -17%
SUNPACK 2-Function Plant Sensor Meter | 2-Function - Measures Soil Moisture & pH
In stock
$10.67 $13.49 -21%
Hydrofarm Active Air 3-Way Meter
Out of stock
$10.10 $14.99 -33%
Dilution Solutions EC Calibration Solution | 20pc Box
In stock
$9.89 $24.95 -60%
Dilution Solutions PH Calibration Solution | 20pcs
In stock
$9.89 $24.95 -60%
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Bluelab Conductivity Standard Solution | 250ml - 2.77 EC - Designed for Bluelab Products
In stock
$9.56 $9.71 -2%
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Bluelab pH 4.0 Calibration Solution | 250ml - Designed for Bluelab Products
In stock
$9.56 $9.71 -2%
Save 2%
Bluelab pH 7.0 Calibration Solutions | 250ml - Designed for Bluelab Products
In stock
$9.56 $9.71 -2%
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