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Bluelab Probe Care Kit | for Bluelab pH & Conductivity Probes
In stock
$28.89
Save 5%
Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration
In stock
$28.37 $30.00 -5%
Save 5%
Milwaukee Instruments pH600 Digital pH Pen
In stock
$27.41 $29.00 -5%
Save 17%
Hydrofarm Electronic Water Timer
In stock
$26.07 $31.49 -17%
Hanna General-Purpose Cleaning Solution | 230ml
Out of stock
$25.26
Hanna 4.01 pH Buffer Solution | 500ml
In stock
$24.49
Hanna 7.01 pH Buffer Solution | 500ml
In stock
$24.49
Hanna EC Conductivity Calibration Solution | 1, 413 µS/cm
Out of stock
$24.49
Save 17%
GroStar pH calibration kit (pH 4/7/10, 8 oz. each)
In stock
$24.00 $28.99 -17%
Bluelab pH Probe KCl Storage Solution | 250ml
In stock
$22.76
HM Digital TDS-3 Handheld TDS meter
In stock
$22.76 $33.99 -33%
Bluelab Meter Carrying Case | Meter Not Included
In stock
$22.29 $29.08 -23%
Bluelab Probe Care Kit | for Bluelab pH Probes
In stock
$21.88
Luster Leaf Rapitest Light & Moisture Meter | Dual Tester
In stock
$21.74 $29.99 -28%
Save 15%
Dilution Solutions PH Calibration Solution | 20pcs
In stock
$21.24 $24.95 -15%
Save 17%
GroStar pH Probe Maintanence Kit
In stock
$19.86 $23.99 -17%
Bluelab Conductivity Standard Solution | 500mL- 2.77 EC - Designed for Bluelab Products
In stock
$18.25
Bluelab pH 4.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In stock
$18.25
Bluelab pH 7.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In stock
$18.25
Save 17%
P3 International Save a Drop Water Meter
In stock
$16.52 $19.95 -17%
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