Soil Meters & PH Testers
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Bluelab Guardian MonitorBluelab Guardian Monitor — Continuous pH, EC & Temperature Display for Hydroponic ReservoirsThe Bluelab® Guardian Monitor is a wall-mounted continuous monitoring unit that provides constant, real-time display of three critical nutrient solution parameters: pH, electrical conductivity (EC), and temperature. Designed for hydroponic and controlled-environment...
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- $358.49
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$561.20 - Sale price
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Bluelab Replacement pH ProbeBluelab Replacement pH Probe — Official Replacement pH Probe for Bluelab Monitors & ControllersThe Bluelab® Replacement pH Probe is the official replacement probe for Bluelab pH monitors and controllers, including the Bluelab Guardian Monitor and compatible Bluelab controller models. pH probes are consumable components...
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- $69.89
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$89.99 - Sale price
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Bluelab pH PenBluelab pH Pen — Portable pH & Temperature Meter for Hydroponic Nutrient SolutionThe Bluelab® pH Pen is a compact, fully waterproof handheld pH and temperature meter designed for fast, accurate pH measurement in hydroponic nutrient solution and other liquid applications. Trusted by growers worldwide,...
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- $104.99
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$136.56 - Sale price
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Bluelab Guardian Monitor Power SupplyBluelab Guardian Monitor Power Supply — Replacement International Power Supply for Bluelab Guardian MonitorThe Bluelab® Guardian Monitor Power Supply is the official replacement power supply for the Bluelab Guardian Monitor continuous pH, EC, and temperature monitoring unit. If your original power supply has been...
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- $30.41
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$35.00 - Sale price
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Milwaukee MA871 Digital Brix RefractometerThousands of food and beverage professionals and hobbyists — from chefs and food quality professionals to brewers, winemakers, and maple syrup producers — have moved to digital Brix measurement from less accurate optical refractometers. WHAT PEOPLE ARE SAYING "Anyone who brews beer should find...
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- $188.88
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$300.00 - Sale price
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Bluelab Combo Meter - 6.5ft Probe CableBluelab Combo Meter — Portable All-in-One pH, EC & Temperature Meter with 6.5 ft Probe CableThe Bluelab® Combo Meter is the go-to portable testing instrument for hydroponic growers who need accurate, reliable measurements of pH, electrical conductivity (EC), and temperature — all in a...
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- $282.99
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$293.78 - Sale price
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Bluelab 2.77EC Conductivity Solution 500 ml (6/Cs)Bluelab 2.77EC Conductivity Solution 500 ml — Reference Solution for EC/PPM Probe VerificationMaintaining accurate conductivity (EC) readings is critical to delivering the right nutrient concentration to your crops. The Bluelab® 2.77EC Conductivity Solution is a precision reference solution used to verify and check the...
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- $17.99
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$20.83 - Sale price
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Milwaukee MC125 PRO 2-in-1 Digital pH / ORP ControllerDESCRIPTION The Milwaukee MC125 PRO pH and ORP controller is designed for people looking to measure and automatically adjust pH and ORP levels with one simple controller. Just set your pH and ORP parameters and let the Milwaukee controller do the rest. Popular for...
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- $264.99
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Bluelab Probe Care Kit - for Bluelab pH ProbesBluelab Probe Care Kit for pH Probes — Complete pH Probe Cleaning, Hydration & Calibration KitThe Bluelab® Probe Care Kit for pH Probes contains everything you need to properly clean, hydrate, and calibrate your Bluelab pH probes — the three essential maintenance tasks that...
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- $21.99
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$25.35 - Sale price
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Bluelab pH Controller Power SupplyBluelab pH Controller Power Supply — Replacement International Power Supply for Bluelab pH ControllersThe Bluelab® pH Controller Power Supply is the official replacement international power supply for Bluelab pH controllers, including the Bluelab pH Controller Connect and Bluelab Connect pH Controller. If your original...
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- $32.93
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$39.52 - Sale price
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Bluelab Pro ControllerBluelab Pro Controller — Automated pH, EC & Temperature Management for Commercial Hydroponic ReservoirsThe Bluelab® Pro Controller™ is the central automation hub for professional hydroponic and controlled-environment agriculture (CEA) operations that demand precise, continuous control of reservoir pH, electrical conductivity (EC), and temperature. Designed...
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- $839.48
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$1,007.38 - Sale price
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Bluelab Guardian ConnectBluelab Guardian Connect — Continuous pH, EC & Temperature Monitoring with Wireless Cloud AccessThe Bluelab® Guardian Monitor Connect is a professional-grade continuous monitoring system that measures pH, electrical conductivity (EC), and temperature of your nutrient solution around the clock — and wirelessly data-logs all...
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- $389.11
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$413.86 - Sale price
- $389.11
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Bluelab Guardian Monitor Connect In-LineBluelab Guardian Monitor Connect In-Line — Continuous pH, EC & Temperature Monitoring with Cloud AccessThe Bluelab® Guardian Monitor Connect In-Line is a professional-grade, continuous monitoring solution for hydroponic and controlled-environment agriculture (CEA) operations that demand real-time visibility into their nutrient solution. Measuring pH, conductivity...
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- $581.99
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$655.77 - Sale price
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Bluelab pH Controller - ConnectBluelab pH Controller Connect — Automated pH Monitoring, Dosing & Wireless Data LoggingThe Bluelab® pH Controller Connect is a fully automated pH management system that continuously monitors and adjusts the pH of your hydroponic reservoir — and wirelessly data-logs every reading to your computer...
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- $419.41
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$503.29 - Sale price
- $419.41
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Bluelab Connect pH Controller - for Bluelab Connect DevicesBluelab Connect pH Controller — Hands-Free Automated pH Monitoring & Dosing for Hydroponic ReservoirsThe Bluelab® Connect pH Controller is a set-and-forget automated pH management solution designed for hydroponic growers who want reliable, hands-free pH control without the complexity of a full multi-parameter system. Compatible...
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- $557.99
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$584.26 - Sale price
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Bluelab PeriPod M3Bluelab PeriPod M3 — Automated Peristaltic Dosing for Hydroponic ReservoirsThe Bluelab® PeriPod M3 is a precision peristaltic dosing system designed to work seamlessly with the Bluelab® Pro Controller™, delivering a fully automated, closed-loop solution for reservoir pH and nutrient management. Purpose-built for commercial and...
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- $922.00
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$1,229.00 - Sale price
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Bluelab PeriPod L3Bluelab PeriPod L3 — High-Flow Peristaltic Dosing for Large Commercial Hydroponic ReservoirsThe Bluelab® PeriPod™ L3 is a high-flow automated dosing system built for large-scale hydroponic and controlled-environment agriculture (CEA) operations where standard pump rates are insufficient. Designed to integrate directly with the Bluelab® Pro...
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- $1,744.24
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GroStar pH calibration kit (pH 4/7/10, 8 oz. each)GroStar by Apera pH calibration kit (pH 4/7/10, 8 oz. each) Kit Includes: (1) pH 4.0 calibration solution 8 oz. (1) pH 7.0 calibration solution 8 oz. (1) pH 10.0 calibration solution 8 oz. pH measuring equipment must be cleaned and calibrated regularly to...
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- $22.17
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Milwaukee Instruments EC40 PRO EC/TDS Nutrient MeterMilwaukee EC40 PRO EC/TDS Nutrient Meter The Milwaukee EC40 PRO is an extremely tough, reliable, IP67 waterproof nutrient meter designed for hydroponic, horticulture, and agricultural applications. Factory calibrated — no user calibration ever required. Twenty (20) blue LEDs make readings easy to see in...
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- $70.89
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Milwaukee Instruments MA871 Digital Brix Refractometer, Range 0-85%Milwaukee Instruments MA871 Digital Brix Refractometer — Range 0–85% A digital sugar refractometer for general purpose use with Automatic Temperature Compensation (ATC). Measures Brix from 0 to 85% with 0.1% resolution. Battery included. Ideal for brewers, winemakers, food producers, fruit growers, and agricultural applications...
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- $162.93
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$195.52 - Sale price
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HM Digital PH-80 pH/Temperature MeterThe PH-80 is an economically priced, reliable pH meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water, and more. FEATURES Measures pH and temperature One-touch automatic digital calibration Water resistant...
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- $38.99
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$46.50 - Sale price
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Water Content Sensor with Cable SetThe WCS-1 water content sensor allows the user to monitor the % of water / nutrients within the growing medium. The moisture level / water content is displayed in real-time on the WCS module itself, the Aqua-x and the APP. That data is displayed...
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- $201.96
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$242.35 - Sale price
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Bluelab PeriPod M4 120ml/min per pumpBluelab PeriPod M4 — Automated 4-Pump Peristaltic Dosing | 120 ml/min per PumpThe Bluelab® PeriPod™ M4 is a precision automated dosing system that maintains stable pH and nutrient levels in your hydroponic reservoir around the clock — so your plants always have access to...
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- $944.62
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$1,133.54 - Sale price
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Milwaukee MC310 PRO Conductivity (EC) MonitorACCURATE. SIMPLE. RELIABLE. 24/7 CONDUCTIVITY (EC) MONITORING. The Milwaukee MC310 PRO Conductivity (EC) monitor continuously measures EC levels and triggers a visual alarm when readings fall outside your set point range. Preferred for nutrient tanks, hydroponics, and horticulture applications requiring constant EC oversight. DESIGN...
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- $91.80
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$110.16 - Sale price
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Hanna GroLine Waterproof Combo pH/EC/TDS (ppm) Meter w/ SolutionsHanna Instruments GroLine Hydroponic Waterproof pH/EC/TDS/Temperature Portable Combo Meter - HI9814 is a waterproof and portable logging meter that monitors up to 12 different water quality parameters. The microprocessor based multi-sensor probe allows for the measurement of key parameters including pH, ORP, conductivity, dissolved...
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- $250.88
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$324.95 - Sale price
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Bluelab Sample PotBluelab Sample Pot — Remote Probe Chamber for Bluelab Pro Controller & Dosetronic SystemsThe Bluelab® Sample Pot is an essential accessory for hydroponic operations where the reservoir is located more than 6.5 ft from the Bluelab® Pro Controller™ or compatible Bluelab® Dosetronic™ unit. Rather...
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- $134.42
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$161.30 - Sale price
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Bluelab Probe Care pH & ConductivityBluelab Probe Care Kit — Complete pH & Conductivity Probe Cleaning, Hydration & Calibration KitThe Bluelab® Probe Care pH & Conductivity Kit is the all-in-one maintenance kit for growers who run both pH and EC (conductivity) probes. It contains everything needed to clean, hydrate,...
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- $25.88
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$23.39 - Sale price
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Bluelab Multimedia pH Meter (Leap Probe Included)Bluelab Multimedia pH Meter — Portable pH Measurement in Nutrient Solution, Soil, Coco Coir & MoreThe Bluelab® Multimedia pH Meter is a portable, versatile pH meter designed for growers who need accurate pH measurement across multiple growing media types — not just liquid nutrient...
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- $187.51
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$225.01 - Sale price
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Bluelab Soil pH PenBluelab Soil pH Pen — Direct pH & Temperature Measurement in Soil and Growing MediaThe Bluelab® Soil pH Pen is a portable, easy-to-use pH and temperature meter designed specifically for direct measurement in soils and growing media — no pH slurries or extraction mixes...
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- $115.83
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$139.00 - Sale price
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Bluelab Leap pH Probe (Probe Only)Bluelab Leap pH Probe — Fast, Accurate pH Measurement in Nutrient Solution and Solid Growing MediaThe Bluelab® Leap™ pH Probe is a versatile, high-performance pH probe designed for accurate measurement across a wide range of growing media — including nutrient solution, soil, coco coir,...
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- $112.00
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$145.00 - Sale price
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Bluelab Pulse Multimedia EC/MC MeterBluelab Pulse Multimedia EC/MC Meter — Rootzone Moisture, EC & Temperature Measurement with Bluetooth AppThe Bluelab® Pulse is a next-generation multimedia meter designed and manufactured in New Zealand by Bluelab, purpose-built for growers who need fast, accurate rootzone measurements of moisture content (MC), electrical...
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- $214.40
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$257.28 - Sale price
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Bluelab Conductivity PenBluelab Conductivity Pen — Compact EC & Temperature Meter for Hydroponic Nutrient MonitoringThe Bluelab® Conductivity Pen is the go-to handheld EC meter for growers who need a fast, accurate, and portable way to check nutrient concentration and temperature in their hydroponic solution. Compact and...
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- $69.00
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$79.84 - Sale price
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Bluelab PowerPodBluelab PowerPod — Electronically Controlled Mains Switching for Temperature Control with Bluelab Pro ControllerThe Bluelab® PowerPod™ is an electronically controlled mains switching box that extends the automation capabilities of the Bluelab® Pro Controller™ and compatible Bluelab® Dosetronic™ models by enabling direct control of mains-powered...
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- $368.36
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$442.03 - Sale price
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Bluelab Original Truncheon MeterBluelab Original Truncheon Meter — The World’s Favorite Hydroponic Nutrient MeterThe Bluelab® Truncheon® Nutrient Meter is the iconic, industry-standard EC meter trusted by hydroponic growers worldwide for decades. Renowned for its bulletproof simplicity and reliability, the Truncheon requires no calibration, has no on/off buttons,...
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- $100.14
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$120.17 - Sale price
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Bluelab Nutrient Probe Care Kit ConductivityBluelab Nutrient Probe Care Kit — Complete EC/Conductivity Probe Cleaning & Verification KitYour EC meter is only as accurate as your conductivity probe is clean. The Bluelab® Nutrient Probe Care Kit (Conductivity) provides everything you need to properly clean, verify, and maintain your conductivity...
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- $14.85
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$17.50 - Sale price
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Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line)Bluelab Inline pH Probe — Replacement High-Pressure pH Probe for Guardian Monitor Connect In-LineThe Bluelab® Inline pH Probe is the official replacement high-pressure pH probe for the Bluelab Guardian Monitor Connect In-Line continuous monitoring system. Designed specifically for in-line installation in hydroponic irrigation and...
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- $127.02
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$152.42 - Sale price
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Bluelab Connect StickBluelab Connect Stick — Wireless Data Receiver for Bluelab Connect Monitoring DevicesThe Bluelab® Connect™ Stick 2 is the central wireless receiver that connects your Bluelab Connect monitoring devices to your computer, smartphone, or tablet — enabling real-time remote monitoring, data logging, and push notifications...
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- $106.86
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Bluelab Connect Range ExtenderBluelab Connect Range Extender — Extend Wireless Monitoring Range in Large Grow FacilitiesThe Bluelab® Connect™ Range Extender 2 is designed for large commercial growing facilities where the standard wireless range of the Bluelab Connect system isn’t enough to reach all monitoring points. By plugging...
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- $147.19
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Bluelab Commercial Truncheon MeterBluelab Commercial Truncheon Meter — High-Range EC/PPM Nutrient Meter for Commercial Hydroponic CropsThe Bluelab® Commercial Truncheon® Nutrient Meter is the heavy-duty conductivity meter built for commercial hydroponic operations and high-EC crops that push beyond the range of standard nutrient meters. With a conductivity range...
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- $100.14
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Bluelab Combo Meter Plus - Measures pH, Conductivity & TemperatureBluelab Combo Meter Plus — Portable pH, EC & Temperature Meter with Leap Probe for Rootzone TestingThe Bluelab® Combo Meter Plus is an advanced all-in-one portable meter that measures pH, electrical conductivity (EC), and temperature — and goes further than the standard Combo Meter...
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- $340.99
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$399.00 - Sale price
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Bluelab pH 4.0 Calibration Solution 250 ml (6/Cs)Bluelab pH 4.0 Calibration Solution 250 ml — Accurate pH Slope Calibration for Hydroponic InstrumentsAccurate pH measurement starts with proper calibration, and the Bluelab® pH 4.0 Calibration Solution is the essential second step in a two-point pH calibration routine. pH instruments are calibrated first...
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- $8.12
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Bluelab Carry CaseBluelab Carry Case — Protective Storage and Field-Ready Transport for Bluelab MetersThe Bluelab® Carry Case is a purpose-built protective case designed to keep your Bluelab meter safe, organized, and ready to use in the field, greenhouse, or grow room. With a custom fit for...
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- $19.49
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Bluelab® pH Probe KCl Storage Solution 120 ml (6/Cs)Bluelab® pH Probe KCl Storage Solution 120 ml — Extend the Life of Your pH Probes and PensProper probe storage is one of the most important — and most overlooked — factors in maintaining accurate pH measurements. The Bluelab® pH Probe KCl Storage Solution...
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- $10.26
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Bluelab PeriPod M4Bluelab PeriPod M4 — Advanced 4-Pump Peristaltic Dosing for Hydroponic ReservoirsThe Bluelab® PeriPod™ M4 is a high-capacity automated dosing system engineered to pair directly with the Bluelab® Pro Controller™, delivering a fully integrated, closed-loop solution for precision reservoir management. With four peristaltic pumps each...
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- $1,302.99
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$1,162.48 - Sale price
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Bluelab pH Probe KCI Storage Solution 250 ml (6/Cs)Bluelab pH Probe KCl Storage Solution 250 ml — Professional-Grade Probe Hydration for High-Volume OperationsThe Bluelab® pH Probe KCl Storage Solution 250 ml is the larger-format option for growers, labs, and commercial operations that regularly maintain multiple pH pens and probes. Formulated specifically for...
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- $15.69
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$18.83 - Sale price
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Bluelab 2.77EC Conductivity Solution 250 ml (6/Cs)Bluelab 2.77EC Conductivity Solution 250 ml — EC/PPM Probe Verification Reference SolutionThe Bluelab® 2.77EC Conductivity Solution 250 ml is a precision reference solution for verifying the accuracy of EC (electrical conductivity) and PPM probes after cleaning. Accurate EC readings are fundamental to hydroponic nutrient...
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- $8.12
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HM Digital Replacement Platinum Sensor for COM-100This spare sensor is for HM Digital EC/TDS/Temp Combo Meter model COM-100. Features platinum TDS/EC sensor and thermister.
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- $28.26
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Milwaukee Instruments pH600 Digital pH PenDIGITAL. SIMPLE. COMPACT. The Milwaukee pH600 Digital pH Pen delivers fast, accurate pH readings in a compact, easy-to-use design. Ideal for hydroponics, aquariums, pools, and any application where a quick, reliable pH check is needed without the complexity of a full bench or handheld...
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- $22.35
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GroStar pH Probe Maintanence KitAll-in-one maintanence kit provides everything you need to maintain, clean and store your GroStar pH probe Kit Includes: 3M KCL storage solution (4oz.) Cleaning solution (8oz.) CalPod solution organizer Probe cleaning brush Wash bottle
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- $18.35
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GroStar EC Calibration Kit (2.77 EC, 8 oz. each)GroStar by Apera pH calibration kit (pH 4/7, 8 oz. each) Kit includes: (1) 8 oz. pH 4.0 calibration solution (1) 8 oz. pH 7.0 calibration solution pH measuring equipment must be cleaned and calibrated regularly to ensure accurate readings. High accuracy (0. 01...
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- $14.52
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