Shop PH Control

 
     
    1413 US Solution - 500 mL 1500ppm Packet 2-Way pH & Moisture Meter
    1413 US Solution - 500 mL1500ppm Packet2-Way pH & Moisture Meter

    $12.97

    $0.79

    $5.17

     
    Active Air - 3-Way Meter Active Aqua - Dual Inline TDS Meter APCEPH1 PH Replacement Probe
    Active Air - 3-Way MeterActive Aqua - Dual Inline TDS MeterAPCEPH1 PH Replacement Probe

    $7.46

    $37.46

    $48.71

     
    AquaPro - TDS/Temp Meter Batteries - pH/TDS pen - 1.4v - 4pck Bluelab - 2.77 EC Conductivity Solution - 250mL
    AquaPro - TDS/Temp MeterBatteries - pH/TDS pen - 1.4v - 4pckBluelab - 2.77 EC Conductivity Solution - 250mL

    $32.21

    $5.21

    $6.37

     
    Bluelab - 2.77 EC Conductivity Solution - 500 mL Bluelab - Calibration Solution - 2.77pH Bluelab - Combo Meter
    Bluelab - 2.77 EC Conductivity Solution - 500 mLBluelab - Calibration Solution - 2.77pHBluelab - Combo Meter

    $8.24

    $1.41

    $231.00

     
    Bluelab - Commercial Truncheon Meter Bluelab - Connect Stick Bluelab - Grower's Toolbox-Limited Edition
    Bluelab - Commercial Truncheon MeterBluelab - Connect StickBluelab - Grower's Toolbox-Limited Edition

    $105.00

    $113.77

    $149.25

     
    Bluelab - Guardian Monitor Bluelab - Guardian Monitor Connect Bluelab - Guardian Monitor Power Supply
    Bluelab - Guardian MonitorBluelab - Guardian Monitor ConnectBluelab - Guardian Monitor Power Supply

    $325.01

    $373.50

    $16.95

     
    Bluelab - Meter Carry Case Bluelab - pH meter w/probe Bluelab - pH Pen
    Bluelab - Meter Carry CaseBluelab - pH meter w/probeBluelab - pH Pen

    $18.75

    $157.50

    $84.37

     
    Bluelab - PH Probe KCI Storage Solution Bluelab - Probe Care Kit Conductivity Bluelab - Soil PH Pen
    Bluelab - PH Probe KCI Storage SolutionBluelab - Probe Care Kit ConductivityBluelab - Soil PH Pen

    $8.96

    $8.96

    $133.10

     
    Botanicare - pH Down - 1gal - 4pck Botanicare - pH Down - 1qt Botanicare - pH Up - 1gal - 4pck
    Botanicare - pH Down - 1gal - 4pckBotanicare - pH Down - 1qtBotanicare - pH Up - 1gal - 4pck

    $87.96

    $9.56

    $91.96

     
    Botanicare - pH Up - 1qt Cal Check Solution Calibration Solultion - 27.7CF/EC2.77 - 250mL
    Botanicare - pH Up - 1qtCal Check SolutionCalibration Solultion - 27.7CF/EC2.77 - 250mL

    $8.96

    $1.35

    $7.45

     
    Calibration Solution - 1000ppm Calibration Solution - 1382ppm@25c
    Calibration Solution - 1000ppmCalibration Solution - 12880mS/cm - 20mLCalibration Solution - 1382ppm@25c

    $6.09

    $1.04

    $1.05

     
    Calibration Solution - 1413mS/cm 25x Calibration Solution 1500ppm Calibration Solution - 1500ppm - 1qt
    Calibration Solution - 1413mS/cm 25x Calibration Solution - 1500ppmCalibration Solution - 1500ppm - 1qt

    $1.08

    $0.96

    $15.50

     
    Calibration Solution - 1500ppm - 8oz Calibration Solution - 4.0 pH - 20mL Calibration Solution - 7.0 pH - 20mL
    Calibration Solution - 1500ppm - 8ozCalibration Solution - 4.0 pH - 20mLCalibration Solution - 7.0 pH - 20mL

    $6.45

    $1.35

    $1.35

     
    Calibration Solution - pH 4.0 - 250 mL - 6pck Calibration Solution - pH 4.0 - 500mL - 6pck Calibration Solution - pH 4.01 - 1qt
    Calibration Solution - pH 4.0 - 250 mL - 6pckCalibration Solution - pH 4.0 - 500mL - 6pckCalibration Solution - pH 4.01 - 1qt

    $39.16

    $52.76

    $17.54

     
    Calibration Solution - pH 4.01 - 8oz Calibration Solution - pH 7.0 - 1qt Calibration Solution pH 7.0 - 250 mL - 6pck
    Calibration Solution - pH 4.01 - 8ozCalibration Solution - pH 7.0 - 1qtCalibration Solution - pH 7.0 - 250 mL - 6pck

    $6.36

    $17.21

    $44.96

     
    Calibration Solution - pH 7.0 - 8oz Calibration Solution - pH 7.01 - 25x20 - 25pck Checker pH Tester w/Replaceable Electrode
    Calibration Solution - pH 7.0 - 8ozCalibration Solution - pH 7.01 - 25x20 - 25pckChecker pH Tester w/Replaceable Electrode

    $7.45

    $29.96

    $32.76

     
    Combo pH/ORP/Temp Tester Conductivity Solution - 12880 S/cm Conductivity/TDS Probe for Soil Measurement of HI993310
    Combo pH/ORP/Temp TesterConductivity Solution - 12880 S/cm Conductivity/TDS Probe for Soil Measurement of HI993310

    $140.96

    $11.24

    $117.71

     
    Digital Soil Thermometer Digital Temperature Controller for Heat Mat Earth Juice - Double Down - 1gal
    Digital Soil ThermometerDigital Temperature Controller for Heat MatEarth Juice - Double Down - 1gal

    $11.56

    $37.75

    $19.39

     
    Earth Juice - Double Down - 1qt Earth Juice - Double Up - 1gal Earth Juice - Double Up - 1qt
    Earth Juice - Double Down - 1qtEarth Juice - Double Up - 1galEarth Juice - Double Up - 1qt

    $9.23

    $20.69

    $9.23

     
    Earth Juice - Natural Up - 10lbs Earth Juice - Natural Up - 1lb Earth Juice - Natural Up - 2lbs
    Earth Juice - Natural Up - 10lbsEarth Juice - Natural Up - 1lbEarth Juice - Natural Up - 2lbs

    $59.57

    $8.78

    $15.63

     
    Earth Juice - Natural Up - 30lbs EC Solution 1413 EC/TDS/Temp Waterproof Hydro Tester
    Earth Juice - Natural Up - 30lbsEC Solution 1413EC/TDS/Temp Waterproof Hydro Tester

    $161.75

    $0.80

    $38.36

     
    EC65 Waterproof Tester EC66 Waterproof Tester Eco Tester TDS High
    EC65 Waterproof TesterEC66 Waterproof TesterEco Tester TDS High

    $64.76

    $64.76

    $67.96

     
    Eco Tester TDS Low Electrode Cleaner - 16oz Electrolyte Solution
    Eco Tester TDS LowElectrode Cleaner - 16ozElectrolyte Solution

    $67.96

    $15.96

    $45.71

     
    Essentials - Calibration 7.0 - 1qt Essentials - Calibration 8oz 7.0 Essentials - Calibration Solution 4.01 - 1qt
    Essentials - Calibration 7.0 - 1qtEssentials - Calibration 8oz 7.0Essentials - Calibration Solution 4.01 - 1qt

    $15.57

    $6.20

    $15.57

     
    Essentials - Calibration Solution 4.01 - 8oz Essentials - pH Down - 1gal Essentials - pH Down - 1qt
    Essentials - Calibration Solution 4.01 - 8ozEssentials - pH Down - 1galEssentials - pH Down - 1qt

    $6.20

    $19.99

    $8.25

     
    Essentials - pH Up - 1gal Essentials - pH Up - 1pt Essentials - pH Up - 1qt
    Essentials - pH Up - 1galEssentials - pH Up - 1ptEssentials - pH Up - 1qt

    $20.60

    $5.85

    $8.44

     
    GreenGro - Hydroponic H2O Conditioner Gro'chek - Replacement Probe for HI9813-6 Gro1 - Digital Weather Station
    GreenGro - Hydroponic H2O ConditionerGro'chek - Replacement Probe for HI9813-6Gro1 - Digital Weather Station

    $17.21

    $111.16

    $14.99

     
    GroChek EC Electrode GroChek EC Tester GroChek pH & TDS Combo Continuous Reading Meter
    GroChek EC ElectrodeGroChek EC TesterGroChek pH & TDS Combo Continuous Reading Meter

    $45.00

    $90.50

    $164.55

     
    GroChek pH Indicator GroChek pH/EC/TDS/C Portable Meter w/ Cal Check GroChek pH/EC/TDS/C Portable Meter w/ Cal Check
    GroChek pH IndicatorGroChek pH/EC/TDS/C Portable Meter w/ Cal CheckGroChek pH/EC/TDS/C Portable Meter w/ Cal Check

    $93.56

    $221.00

    $227.16

     
    GroChek pH/EC/TDS/Temp. Combo GroChek replacement probe for HI9813 GroChek replacement probe for HI9813-0
    GroChek pH/EC/TDS/Temp. ComboGroChek replacement probe for HI9813GroChek replacement probe for HI9813-0

    $192.62

    $108.38

    $120.84

     
    Grochek Replacement Probe for HI9813-5 & HI9813-5N Hanna PH Kit for Hydroponics Kick Start - Clone Solution - 1qt
    Grochek Replacement Probe for HI9813-5 & HI9813-5NHanna PH Kit for HydroponicsKick Start - Clone Solution - 1qt

    $122.43

    $36.70

    $11.20

     
    Lacrosse - Wireless Weather Station Life Cloning Solution - 1gal Life Cloning Solution - 2.5gal
    Lacrosse - Wireless Weather StationLife Cloning Solution - 1galLife Cloning Solution - 2.5gal

    $27.98

    $52.46

    $104.96

     
    Life Cloning Solution - 32oz MA 850 Replacement probe for SM801/802 Microbe Life - pH Down - 16oz
    Life Cloning Solution - 32ozMA 850 Replacement probe for SM801/802Microbe Life - pH Down - 16oz

    $17.21

    $89.96

    $15.96

     
    Microbe Life - pH Down - 1gal Microbe Life - pH Down - 32oz Microbe Life - pH Up - 16oz
    Microbe Life - pH Down - 1galMicrobe Life - pH Down - 32ozMicrobe Life - pH Up - 16oz

    $47.96

    $23.96

    $14.96

     
    Microbe Life - pH Up - 1gal Microbe Life - pH Up - 2.5gal Microbe Life - pH Up - 32oz
    Microbe Life - pH Up - 1galMicrobe Life - pH Up - 2.5galMicrobe Life - pH Up - 32oz

    $47.96

    $67.46

    $23.96

     
    Milwaukee - EC hand meter SM301 Milwaukee - PH Hand Meter Milwaukee - pH hand meter SM101
    Milwaukee - EC hand meter SM301Milwaukee - PH Hand MeterMilwaukee - pH hand meter SM101

    $80.36

    $91.08

    $94.46

     
    Milwaukee - pH/EC/TDS Kit Milwaukee - TDS/PPM Monitor Milwaukee - Waterproof PH Tester
    Milwaukee - pH/EC/TDS KitMilwaukee - TDS/PPM MonitorMilwaukee - Waterproof PH Tester

    $196.75

    $97.96

    $62.21

     
    Mini pH Controller Nutradip - Grow Boss Nutradip - PH AC/DC Combo Meter
    Mini pH ControllerNutradip - Grow BossNutradip - PH AC/DC Combo Meter

    $149.76

    $215.96

    $93.71

     
    Nutradip - PPM AC/DC Combo Meter Oakton - Waterproof EcoTster pH2 Oakton - Calibration Solution - 15,000 uS
    Nutradip - PPM AC/DC Combo MeterOakton - Waterproof EcoTster pH2Oakton - Calibration Solution - 15,000 uS

    $93.71

    $75.00

    $1.72

     
    Oakton - Low/High/EC High Replacement Sensor Oakton - pHTestr 10 - .1 pH Accuracy ATC* Oakton pHTestr 20 - .01 pH Accuracy *ATC
    Oakton - Low/High/EC High Replacement SensorOakton - pHTestr 10 - .1 pH Accuracy ATC*Oakton - pHTestr 20 - .01 pH Accuracy *ATC

    $53.21

    $123.71

    $120.76

     
    Oakton - pHTestrs replacement sensor Oakton - Replaceable Electrodes pH WP 2 Pen Oakton - Waterproof EC Tester 11+
    Oakton - pHTestrs replacement sensorOakton - Replaceable Electrodes pH WP 2 PenOakton - Waterproof EC Tester 11+

    $89.96

    $63.16

    $122.21

     
    Oakton - Waterproof TDS Tester 11 Oakton - Waterproof TDS Tester11+ Oakton - WP EC Tester 11
    Oakton - Waterproof TDS Tester 11Oakton - Waterproof TDS Tester11+Oakton - WP EC Tester 11

    $111.96

    $119.96

    $104.96

     
    ORP Test Solution 240 mV @20°C pH 7.0 Calibration Sol 500 ml pH Combination Electrode
    ORP Test Solution 240 mV @20°CpH 7.0 Calibration Sol 500 ml - case of 6pH Combination Electrode

    $23.97

    $51.99

    $63.96

     
    pH Combo Electrode Glass Body pH Control Kit pH Controller 115V
    pH Combo Electrode Glass BodypH Control KitpH Controller 115V

    $154.36

    $15.96

    $156.76

     
    PH Controller Sampling Kit pH Down Acid - 1gal pH Down Acid - 8oz - 12pck
    PH Controller Sampling KitpH Down Acid - 1galpH Down Acid - 8oz - 12pck

    $59.96

    $20.16

    $75.96

     
    pH Down Acid Dry - 16lbs pH Down Acid Quart pH Down Dry Acid - 2.2lbs
    pH Down Acid Dry - 16lbspH Down Acid Quart - case of 12pH Down Dry Acid - 2.2lbs

    $51.60

    $103.96

    $13.94

     
    pH Electrode Probe w/ 2m (6.6') Cable for HI981404N pH Monitor / Hi-Lo User Select Alarm ph Replacement Electrode
    pH Electrode Probe w/ 2m (6.6') Cable for HI981404NpH Monitor / Hi-Lo User Select Alarmph Replacement Electrode

    $49.46

    $113.56

    $29.96

     
    pH Replacement Electrode for Combo & pH Meter pH Soil Meter pH Test Indicator - 8oz
    pH Replacement Electrode for Combo & pH MeterpH Soil MeterpH Test Indicator - 8oz

    $56.00

    $363.96

    $9.70

     
    pH Test Kit (12/cs) pH Test Kit - 1oz PH Tester for Hydroponics
    pH Test Kit (12/cs)pH Test Kit - 1ozPH Tester for Hydroponics

    $4.64

    $7.45

    $47.21

     
    PH Tester w/1 Point Manual Cal pH Tester With 1 Point Manual Calibration pH Up - 1gal
    PH Tester w/1 Point Manual CalpH Tester With 1 Point Manual CalibrationpH Up - 1gal

    $29.96

    $33.71

    $20.16

     
    pH Up Base - 1qt pH Up Base - 8oz - 12pck pH Up Base Dry - 16lbs
    pH Up Base - 1qtpH Up Base - 8oz - 12pckpH Up Base Dry - 16lbs

    $8.07

    $75.96

    $84.80

     
    pH Up Base Dry - 2.2lbs pH/EC Controller System PH/EC/TDS/C Portable Meters
    pH Up Base Dry - 2.2lbspH/EC Controller SystemPH/EC/TDS/C Portable Meters

    $11.25

    $2,396.00

    $195.96

     
    PH/ORP Storage Solution PH/Temp Probe for pH55 & pH56 PH/Temperature Meter
    PH/ORP Storage SolutionPH/Temp Probe for pH55 & pH56PH/Temperature Meter

    $7.45

    $44.96

    $56.21

     
    PH4 Calibration Solution - 16oz PH4 Solution - 20mL PH4 Solution - 220mL
    PH4 Calibration Solution - 16ozPH4 Solution - 20mLPH4 Solution - 220mL

    $18.71

    $0.75

    $9.70

     
    PH7 Calibration Solution - 16oz PH7 Solution - 20mL PH7 Solution - 220mL
    PH7 Calibration Solution - 16ozPH7 Solution - 20mLPH7 Solution - 220mL

    $18.71

    $22.46

    $11.20

     
    pHep Tester pHTestr 30 - .01 pH Accuracy Temperature Display Prestige PPM/EC/CF Wand
    pHEP TesterpHTestr 30 - .01 pH Accuracy Temperature DisplayPrestige PPM/EC/CF Wand

    $59.96

    $131.96

    $74.96

     
    Primo - TDS Tester Pro - pH Down - 1qt Probe pH Electrode
    Primo - TDS TesterPro - pH Down - 1qtProbe pH Electrode

    $37.46

    $7.12

    $59.96

     
    Pur Gro - pH Probe Industrial Replacement Rapitest - Digital 3-Way Analyzer Rapitest - Digital Soil Test Kit
    Pur Gro - pH Probe Industrial ReplacementRapitest - Digital 3-Way AnalyzerRapitest - Digital Soil Test Kit

    $111.71

    $33.71

    $29.96

     
    Rapitest - Electronic 4-Way Tester Rapitest - pH Soil Tester Rapitest - Soil Test Kit
    Rapitest - Electronic 4-Way TesterRapitest - pH Soil TesterRapitest - Soil Test Kit

    $27.71

    $6.70

    $14.57

     
    Replacement pH Sensor PH-200 Replacement Platinum Sensor COM-100 Replacement probe for HI9026
    Replacement pH Sensor PH-200Replacement Platinum Sensor COM-100Replacement probe for HI9026

    $44.96

    $29.96

    $89.96

     
    Replacement Probe for MW801 & MW802 ONLY Replacement Sensor Salinity (NaCI) Calibration solution 30g/L
    Replacement Probe for MW801 & MW802 ONLYReplacement SensorSalinity (NaCI) Calibration solution 30g/L

    $89.96

    $89.96

    $29.96

     
    Smart 3 in 1 Continuous Monitor/Portable Meter Smart 3 in 1 Meter w/ pH/EC/TDS Soil Conductivity/Salinity Meter w/ Carrying Case
    Smart 3 in 1 Continuous Monitor/Portable MeterSmart 3 in 1 Meter w/ pH/EC/TDSSoil Conductivity/Salinity Meter w/ Carrying Case

    $224.96

    $206.21

    $524.96

     
    Solution - 1382ppm - 220mL Solution - 1382ppm - 230mL Solution - 1413mS/cm - 230mL
    Solution - 1382ppm - 220mLSolution - 1382ppm - 230mLSolution - 1413mS/cm - 230mL

    $8.74

    $11.69

    $13.98

     
    Solution - 1500ppm - 230mL Solution Starter Kit (PH & Cleaning) Solution Starter Kit (PH, TDS & Cleaning)
    Solution - 1500ppm - 230mLSolution Starter Kit (PH & Cleaning)Solution Starter Kit (PH, TDS & Cleaning)

    $13.30

    $18.71

    $18.71

     
    SPO Dry Temperature Probe w/ 6ft cord SPO EC/TDS Probe for HI981409 & HI981410 Storage Solution - 16oz
    SPO Dry Temperature Probe w/ 6ft cordSPO EC/TDS Probe for HI981409 & HI981410Storage Solution - 16oz

    $6.20

    $67.46

    $18.71

     
    Tachnaflora - pH Down - 1L Tachnaflora - pH Up - 10L
    Tachnaflora - pH Down - 1LTachnaflora - pH Up - 10LTDS Solution - 1382ppm

    $10.73

    $42.71

    $0.75

     
    TDS Solution - 1382ppm - 460mL TDS Solution - 1500ppm - 16oz TDS-3 Handheld TDS meter
    TDS Solution - 1382ppm - 460mLTDS Solution - 1500ppm - 16ozTDS-3 Handheld TDS meter

    $14.75

    $14.78

    $27.75

     
    Technaflora - pH Down - 10L Technaflora - pH Down - 4L Technaflora - pH Up - 1L
    Technaflora - pH Down - 10LTechnaflora - pH Down - 4LTechnaflora - pH Up - 1L

    $38.62

    $21.48

    $10.73

     
    Technaflora - pH Up - 4L Tri Calibration kit PPM/EC - pH 4, pH 7 - 500mL Water Conditioner/Purifier 1qt
    Technaflora - pH Up - 4LTri Calibration kit PPM/EC - pH 4, pH 7 - 500mLWater Conditioner/Purifier 1qt

    $20.21

    $18.71

    $33.75

     
    Waterproof Eco Tester pH1 Waterproof PC Testr 35 (EC & pH) Waterproof pH/Temperature Meter
    Waterproof Eco Tester pH1Waterproof PC Testr 35 (EC & pH)Waterproof pH/Temperature Meter

    $60.00

    $150.00

    $90.00

     
    Waterproof PT Testr 35 (pH & TDS) X Nutrients - pH Down 1gal X Nutrients - pH Down 1qt
    Waterproof PT Testr 35 (pH & TDS)X Nutrients - pH Down 1galX Nutrients - pH Down 1qt

    $150.00

    $20.25

    $8.25

     
    X Nutrients - pH Up 1gal Green Planet - pH Down - 1L Green Planet - pH Down - 4L
    X Nutrients - pH Up 1galGreen Planet - pH Down - 1LGreen Planet - pH Down - 4L

    $20.25

    $19.48

    $52.49

     
    Green Planet - pH Up - 1L Green Planet - pH Up - 4L Mad Farmer - Get Down - 1qt
    Green Planet - pH Up - 1LGreen Planet - pH Up - 4LMad Farmer - Get Down - 1qt

    $19.48

    $52.49

    $9.74

     
    Mad Farmer - Get Up - 1qt X Nutrients - pH Down 1qt X Nutrients - pH Down 1gal
    Mad Farmer - Get Up - 1qtX Nutrients - pH Down 1qtX Nutrients - pH Down 1gal

    $9.74

    $9.75

    $21.75

     
    X Nutrients - pH Up 1gal X Nutrients - pH Up 1qt
    X Nutrients - pH Up 1gal X Nutrients - pH Up 1qt

    $21.75

    $9.75