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Meters & Controllers

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20
Bluelab Probe Care Kit | for Bluelab pH & Conductivity Probes
In Stock: 66
$31.55
Alchemist pH Down Non-Corrosive Gallon
In Stock: 116
$30.57 $53.20 -43%
HM Digital pH 4.0 buffer solution - 20 packets of 20 ml
In Stock: 93
$26.74
Hydrofarm Electronic Water Timer
In Stock: 1131
$26.26 $31.49 -17%
Hanna 4.01 pH Buffer Solution | 500ml
In Stock: 15
$25.39
Hanna 7.01 pH Buffer Solution | 500ml
In Stock: 13
$25.39
Hanna EC Conductivity Calibration Solution | 1, 413 µS/cm
In Stock: 6
$25.39
Bluelab pH Probe KCl Storage Solution | 250ml
In Stock: 346
$147.96 / $24.66 per unit
(minimum purchase of 6)
Bluelab Probe Care Kit | for Bluelab pH Probes
In Stock: 15
$24.61
GroStar pH calibration kit (pH 4/7/10, 8 oz. each)
In Stock: 29
$24.17 $28.99 -17%
HM Digital TDS-3 Handheld TDS meter
In Stock: 31
$23.42 $33.99 -31%
Hanna General-Purpose Cleaning Solution | 230ml
In Stock: 4
$22.72 $25.26 -10%
Bluelab Meter Carrying Case | Meter Not Included
In Stock: 169
$22.58 $29.08 -22%
Dilution Solutions PH Calibration Solution | 20pcs
In Stock: 99
$22.41 $24.95 -10%
HM Digital Handheld TDS-3 Tester
Out of stock
$20.83
Luster Leaf Rapitest Light & Moisture Meter | Dual Tester
In Stock: 104
$122.88 / $20.48 per unit
(minimum purchase of 6)
GroStar pH Probe Maintanence Kit
In Stock: 76
$20.00 $23.99 -17%
Bluelab Conductivity Standard Solution | 500mL- 2.77 EC - Designed for Bluelab Products
In Stock: 137
$119.46 / $19.91 per unit
(minimum purchase of 6)
Bluelab pH 4.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In Stock: 575
$118.62 / $19.77 per unit
(minimum purchase of 6)
Bluelab pH 7.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In Stock: 675
$118.62 / $19.77 per unit
(minimum purchase of 6)
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