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Dilution Solutions PH Calibration Solution | 20pcs
In stock
$20.45 $24.95 -18%
Bluelab Probe Care Kit | for Bluelab pH Probes
Out of stock
$20.05
GroStar pH Probe Maintanence Kit
In stock
$18.71 $23.99 -22%
Bluelab Conductivity Standard Solution | 500mL- 2.77 EC - Designed for Bluelab Products
In stock
$16.59
Bluelab pH 4.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In stock
$16.57
Bluelab pH 7.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In stock
$16.57
P3 International Save a Drop Water Meter
In stock
$15.56 $19.95 -22%
GroStar pH calibration kit (pH 4/7, 8 oz. each)
Out of stock
$14.81 $18.99 -22%
Luster Leaf Rapitest Digital Soil pH Meter | Results From 3.5 - 9.0
In stock
$14.52 $21.29 -32%
Bluelab Probe Care Kit | for Bluelab Conductivity Probes
Out of stock
$14.21
Save 13%
Milwaukee Instruments pH 4.01 Calibration Solution, 230 ml
In stock
$12.43 $14.35 -13%
Save 13%
Milwaukee Instruments pH 7.01 Solution, 230 ml
In stock
$12.43 $14.35 -13%
Bluelab Conductivity Standard Solution | 120ml - 2.77EC
Out of stock
$12.40
SUNPACK Tri-Meter Moisture, Light & pH | Measures Moisture, Light & pH
In stock
$11.70 $16.99 -31%
GroStar EC Calibration Kit (2.77 EC, 8 oz. each)
In stock
$11.69 $14.99 -22%
SUNPACK 2-Function Plant Sensor Meter | 2-Function - Measures Soil Moisture & pH
In stock
$10.05 $13.49 -26%
Bluelab Conductivity Standard Solution | 250ml - 2.77 EC - Designed for Bluelab Products
Out of stock
$9.06
Bluelab pH 4.0 Calibration Solution | 250ml - Designed for Bluelab Products
In stock
$9.06
Bluelab pH 7.0 Calibration Solutions | 250ml - Designed for Bluelab Products
Out of stock
$9.06
Save 9%
HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)
In stock
$8.67 $9.49 -9%
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