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PH/EC/TDS

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PH/EC/TDS

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  • Oakton Waterproof EcoTestr TDS Low

    Oakton Waterproof EcoTestr TDS Low

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  • Oakton Waterproof EcoTestr pH2

    Oakton Waterproof EcoTestr pH2

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  • Oakton Waterproof EcoTestr pH1

    Oakton Waterproof EcoTestr pH1

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  • Rapitest Water Check, 3 Pack

    Rapitest Water Check, 3 Pack

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  • Technaflora pH Up, 10 L

    Technaflora pH Up, 10 L

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  • Technaflora pH Up, 4 L

    Technaflora pH Up, 4 L

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  • Technaflora pH Up, L

    Technaflora pH Up, L

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  • Technaflora pH Down, 10 L

    Technaflora pH Down, 10 L

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  • Technaflora pH Down, 4 L

    Technaflora pH Down, 4 L

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  • Technaflora pH Down, L

    Technaflora pH Down, L

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  • General Hydroponics TDS Calibration Solution, 1500 ppm, qt

    General Hydroponics TDS Calibration Solution, 1500 ppm, qt

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  • General Hydroponics TDS Calibration Solution, 1500 ppm, 8 oz

    General Hydroponics TDS Calibration Solution, 1500 ppm, 8 oz

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  • Milwaukee Smart Portable pH Meter Probe

    Milwaukee Smart Portable pH Meter Probe

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  • Milwaukee Smart Portable pH Meter

    Milwaukee Smart Portable pH Meter

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  • Rapitest Soil pH Meter

    Rapitest Soil pH Meter

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  • SaferGro pH Down, qt

    SaferGro pH Down, qt

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  • SaferGro pH Down, pt

    SaferGro pH Down, pt

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  • Rapitest Soil Tester

    Rapitest Soil Tester

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  • Rapitest Soil Test Kit

    Rapitest Soil Test Kit

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  • Rapitest pH Soil Tester

    Rapitest pH Soil Tester

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  • Rapitest Mini 4-in-1 Tester

    Rapitest Mini 4-in-1 Tester

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  • Hydrion pH Test Papers

    Hydrion pH Test Papers

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  • Milwaukee pH600 Tester

    Milwaukee pH600 Tester

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  • HM Digital pH Electrode Storage Solution, 60 mL

    HM Digital pH Electrode Storage Solution, 60 mL

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  • Oakton Waterproof pHTestr 10 Sensor

    Oakton Waterproof pHTestr 10 Sensor

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  • Oakton Waterproof pHTestr 10

    Oakton Waterproof pHTestr 10

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  • Nutradip GROWBOSS Nutrient Monitoring System pH Probe

    Nutradip GROWBOSS Nutrient Monitoring System pH Probe

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  • Milwaukee Martini Replacement pH/Temp Probe

    Milwaukee Martini Replacement pH/Temp Probe

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  • Milwaukee Martini pH55 Waterproof pH and Temperature Tester

    Milwaukee Martini pH55 Waterproof pH and Temperature Tester

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  • General Hydroponics pH Up Dry, 16 lb

    General Hydroponics pH Up Dry, 16 lb

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  • General Hydroponics pH Up Dry, 2.2 lb

    General Hydroponics pH Up Dry, 2.2 lb

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  • General Hydroponics pH Up, gal

    General Hydroponics pH Up, gal

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  • General Hydroponics pH Up, qt

    General Hydroponics pH Up, qt

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  • General Hydroponics pH Up, 8 oz

    General Hydroponics pH Up, 8 oz

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  • General Hydroponics pH Test Kit

    General Hydroponics pH Test Kit

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  • General Hydroponics pH Test Indicator, 8 oz

    General Hydroponics pH Test Indicator, 8 oz

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  • General Hydroponics pH Down, gal

    General Hydroponics pH Down, gal

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  • General Hydroponics pH Down, qt

    General Hydroponics pH Down, qt

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  • General Hydroponics pH Down, 8 oz

    General Hydroponics pH Down, 8 oz

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  • General Hydroponics pH Calibration 7.0 Solution, qt

    General Hydroponics pH Calibration 7.0 Solution, qt

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  • General Hydroponics pH Calibration 7.0 Solution, 8 oz

    General Hydroponics pH Calibration 7.0 Solution, 8 oz

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  • General Hydroponics pH Calibration 4.01 Solution, qt

    General Hydroponics pH Calibration 4.01 Solution, qt

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  • General Hydroponics pH Calibration 4.01 Solution, 8 oz

    General Hydroponics pH Calibration 4.01 Solution, 8 oz

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  • General Hydroponics pH Control Kit

    General Hydroponics pH Control Kit

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  • Nutradip GROWBOSS Nutrient Monitoring System

    Nutradip GROWBOSS Nutrient Monitoring System

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  • Europonic Rockwool Conditioner Solution, gal

    Europonic Rockwool Conditioner Solution, gal

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  • Europonic Rockwool Conditioner Solution, qt

    Europonic Rockwool Conditioner Solution, qt

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  • Earth Juice Natural Up, 10 lb

    Earth Juice Natural Up, 10 lb

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  • Earth Juice Natural Down, 25 lb

    Earth Juice Natural Down, 25 lb

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  • Rapitest Digital Soil pH Meter

    Rapitest Digital Soil pH Meter

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  • Rapitest Digital PLUS Soil pH Meter

    Rapitest Digital PLUS Soil pH Meter

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  • Rapitest Digital Moisture Meter

    Rapitest Digital Moisture Meter

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  • Control Wizard PPM Electrode for 24/7 Nutrient Meter

    Control Wizard PPM Electrode for 24/7 Nutrient Meter

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  • Control Wizard pH Electrode for 24/7 Nutrient Meter

    Control Wizard pH Electrode for 24/7 Nutrient Meter

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  • Control Wizard 24/7 Nutrient Monitor

    Control Wizard 24/7 Nutrient Monitor

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  • Control Wizard Accurate pH 8

    Control Wizard Accurate pH 8

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  • CYCO pH Up, 5 L

    CYCO pH Up, 5 L

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  • CYCO pH Up, L

    CYCO pH Up, L

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  • CYCO pH Up, 500 mL

    CYCO pH Up, 500 mL

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  • CYCO pH Up, 250 mL

    CYCO pH Up, 250 mL

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  • CYCO pH Down, 5 L

    CYCO pH Down, 5 L

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  • CYCO pH Down, L

    CYCO pH Down, L

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  • CYCO pH Down, 500 mL

    CYCO pH Down, 500 mL

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  • CYCO pH Down, 250 mL

    CYCO pH Down, 250 mL

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  • Botanicare pH Up, gal

    Botanicare pH Up, gal

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  • Botanicare pH Up, qt

    Botanicare pH Up, qt

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  • Botanicare pH Down, gal

    Botanicare pH Down, gal

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  • Botanicare pH Down, qt

    Botanicare pH Down, qt

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  • HM Digital Waterproof pH Sensor

    HM Digital Waterproof pH Sensor

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  • HM Digital Waterproof pH Meter

    HM Digital Waterproof pH Meter

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  • HANNA Waterproof pH Electrode

    HANNA Waterproof pH Electrode

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  • HANNA Waterproof pH Tester

    HANNA Waterproof pH Tester

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  • HANNA Waterproof EC/TDS Tester

    HANNA Waterproof EC/TDS Tester

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  • HM Digital Waterproof EC/TDS/Temp Combo Sensor

    HM Digital Waterproof EC/TDS/Temp Combo Sensor

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  • HM Digital Waterproof EC/TDS/Temp Combo Meter

    HM Digital Waterproof EC/TDS/Temp Combo Meter

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  • HM Digital EC/TDS HydroTester

    HM Digital EC/TDS HydroTester

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  • HM Digital TDS/EC Calibration Solution, 1000 ppm

    HM Digital TDS/EC Calibration Solution, 1000 ppm

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  • HANNA TDS Calibration Solution, 1500 ppm, 500 mL

    HANNA TDS Calibration Solution, 1500 ppm, 500 mL

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  • HANNA TDS Calibration Solution, 1382 ppm, 230 mL

    HANNA TDS Calibration Solution, 1382 ppm, 230 mL

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  • HANNA TDS Calibration Solution, 1500 ppm, 230 mL

    HANNA TDS Calibration Solution, 1500 ppm, 230 mL

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  • HANNA Solution Starter Kit (pH, TDS & Cleaning)

    HANNA Solution Starter Kit (pH, TDS & Cleaning)

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  • HANNA Solution Starter Kit (pH, EC & Cleaning)

    HANNA Solution Starter Kit (pH, EC & Cleaning)

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  • HANNA Solution Starter Kit (pH & Cleaning)

    HANNA Solution Starter Kit (pH & Cleaning)

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  • HM Digital Pocket-Size TDS Meter

    HM Digital Pocket-Size TDS Meter

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  • HANNA pH 7 Solution, 230 mL

    HANNA pH 7 Solution, 230 mL

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  • HANNA pH 7 Solution, 20 mL Sachets, 25 Pack

    HANNA pH 7 Solution, 20 mL Sachets, 25 Pack

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  • HANNA Primo TDS Tester

    HANNA Primo TDS Tester

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  • HM Digital pH HydroTester

    HM Digital pH HydroTester

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  • HANNA pHep pH Tester

    HANNA pHep pH Tester

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  • HANNA Replacement Probe for PETT500

    HANNA Replacement Probe for PETT500

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  • HANNA pH-EC-TDS Meter with F.S.T. Technology

    HANNA pH-EC-TDS Meter with F.S.T. Technology

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  • HANNA Replacement Electrode for HI9813-0

    HANNA Replacement Electrode for HI9813-0

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  • HANNA Replacement Electrode for PET500

    HANNA Replacement Electrode for PET500

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  • HANNA pH-EC-TDS Meter

    HANNA pH-EC-TDS Meter

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  • HANNA PET EC Solution, 230 mL

    HANNA PET EC Solution, 230 mL

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  • HM Digital pH Buffer Solution Variety Pack

    HM Digital pH Buffer Solution Variety Pack

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  • HM Digital Handheld TDS Meter with Carrying Case

    HM Digital Handheld TDS Meter with Carrying Case

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  • HANNA Shockproof Rubber Boot, Blue

    HANNA Shockproof Rubber Boot, Blue

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  • HANNA pH Kit for Hydroponics

    HANNA pH Kit for Hydroponics

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  • HM Digital TDS/EC Calibration Solution, 1000 ppm 20 mL, 20 Pack

    HM Digital TDS/EC Calibration Solution, 1000 ppm 20 mL, 20 Pack

    Add to cart Show Details
Page 1 of 212

Happy Hydro

5521 S. Lindbergh Blvd
St. Louis, MO, 63123, USA

Phone - 314-842-2090
sales@happyhydrostl.com

Store Hours:

Mon-Fri: 10:00am - 6:00pm
Sat: 10:00am - 4:00pm
Sun: 11:00am - 3:00pm

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    © Copyright - Happy Hydro - All Products and Pricing are subject to change without notice.
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