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Hanna Instruments
pH 7.01 Calibration Solution (230 mL)
Regular price
$12
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Hanna Instruments
pH 4.01 Calibration Solution (230 mL)
Regular price
$12
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Hanna Instruments
pH/EC/TDS Multiparameter Probe
Regular price
$135
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Hanna Instruments
GroLine General Purpose Cleaning Solution (500 mL)
Regular price
$19
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Hanna Instruments
GroLine 1413 µS/cm Conductivity Standard with Certificate (230mL Bottle)
Regular price
$16
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Hanna Instruments
GroLine Electrode Storage Solution (230 mL)
Regular price
$16
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Hanna Instruments
Quick Calibration Solution for GroLine pH and EC Meters (230 ml)
Regular price
$16
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Hanna Instruments
Quick Calibration Solution for GroLine pH and EC Meters (25 x 20 mL sachets)
Regular price
$45
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Hanna Instruments
Direct Soil and Soilless Media pH electrode for use with HI9814
Regular price
$237
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Hanna Instruments
pH/EC/TDS Multiparameter Probe for use with HI9814
Regular price
$180
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Hanna Instruments
GroLine pH/EC/TDS Multiparameter Probe
Regular price
$200
Sale price
$193
Sale
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Bluelab
Bluelab Connect Stick 2
Sold Out
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Bluelab
Bluelab Guardian Monitor
Sold Out
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Microbe Life Hydroponics
Microbe Life pH Down
From $14.95
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Microbe Life Hydroponics
Microbe Life pH UP
From $17.35
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Milwaukee Instruments
Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration
Regular price
$32.99
Sale price
$23.66
Sale
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HM Digital Meters
HM Digital TDS-3 Handheld TDS meter
Regular price
$37
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HM Digital Meters
HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)
Regular price
$7.85
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FoxFarm
FoxFarm Gringo Rasta pH Up Liquid
Sold Out
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FoxFarm
FoxFarm Gringo Rasta pH Down Liquid
Sold Out
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