Soil Meters & PH Testers
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Bluelab Guardian MonitorBluelab Guardian Monitor Adjustable brightness display. Large easy-to-read, plant-safe green LED displays. Selectable values for conductivity and temperature. Simple push button pH calibration system. No calibration required for conductivity and temperature. Silent alarm for both high and low settings. Settings retained when power lost...
- Regular price
- $325.77
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$561.20 - Sale price
- $325.77
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GH pH Down Liquid 1 QuartThe acid formulation uses phosphoric acid to lower the pH to the proper level.
- Regular price
- $9.30
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$11.16 - Sale price
- $9.30
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Bluelab Replacement pH ProbeAdjustable brightness display. Large easy-to-read, plant-safe green LED displays. Selectable values for conductivity and temperature. Simple push button pH calibration system. No calibration required for conductivity and temperature. Silent alarm for both high and low settings. Settings retained when power lost (non-volatile memory). Temperature...
- Regular price
- $63.34
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$75.00 - Sale price
- $63.34
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GH pH Up Liquid 1 QuartThis Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level.
- Regular price
- $9.30
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$11.16 - Sale price
- $9.30
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GH pH Control KitGeneral Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial.
- Regular price
- $13.50
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$16.20 - Sale price
- $13.50
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Bluelab Guardian Monitor Power SupplyAdjustable brightness display. Large easy-to-read, plant-safe green LED displays. Selectable values for conductivity and temperature. Simple push button pH calibration system. No calibration required for conductivity and temperature. Silent alarm for both high and low settings. Settings retained when power lost (non-volatile memory). Temperature...
- Regular price
- $19.49
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$23.39 - Sale price
- $19.49
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Bluelab pH PenMeasures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with auto off function. Automatic temperature compensation. Along with Bluelab pH Probe KCI Solution,...
- Regular price
- $79.98
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$95.98 - Sale price
- $79.98
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Bluelab Pro ControllerBluelab® Pro Controller™ automated pH and nutrient controller gives you full control of reservoir pH, conductivity and temperature in one place. When connected to a dosing system, the Bluelab® Pro Controller™ manages pH, conductivity and temperature levels in reservoirs. As your plants feed, pH...
- Regular price
- $839.48
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$1,007.38 - Sale price
- $839.48
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Bluelab pH Controller - ConnectOur brainy pH Controller Connect constantly monitors and fine-tunes the pH levels for you. But more than that, it wirelessly data logs to your computer too, putting continuous information at your fingertips. Use the data to make system changes faster for the ultimate crop....
- Regular price
- $419.41
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$503.29 - Sale price
- $419.41
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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...
- Regular price
- $22.17
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$26.60 - Sale price
- $22.17
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Milwaukee Instruments EC40 PRO EC/TDS Nutrient MeterMilwaukee EC40 PRO EC/TDS Nutrient Meter The Milwaukee EC PRO EC/TDS Nutrient Meter is an extremely tough, reliable, IP67 Waterproof Nutrient Meter designed to meet your Hydroponic, horticulture and agricultural needs! This meter arrives factory calibrated and does NOT require user calibration EVER! Twenty (20)...
- Regular price
- $70.89
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$85.07 - Sale price
- $70.89
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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...
- Regular price
- $201.96
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$242.35 - Sale price
- $201.96
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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...
- Regular price
- $250.88
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$324.95 - Sale price
- $250.88
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Bluelab Sample PotThe Bluelab® Sample Pot is perfect for reservoirs located more than 6.5 ft from your controller unit. All you have to do is place the probes directly into the chamber for direct measurement of nutrient solution. All fittings are included. Compatible with Bluelab® Pro...
- Regular price
- $134.42
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$161.30 - Sale price
- $134.42
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Bluelab Probe Care pH & ConductivityEverything you need to clean, hydrate and calibrate pH probes as well as clean and test conductivity (ppm/EC) probes. The instrument is only as accurate as the probe is clean. Accurate readings simplify crop management and provide improved growth. Includes instructions, 20 ml single-use...
- Regular price
- $19.49
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$23.39 - Sale price
- $19.49
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Bluelab Multimedia pH Meter (Leap Probe Included)The perfect, portable way to accurately measure and monitor pH levels in a wide range of media. We have combined the Bluelab® Multimedia pH Meter and Bluelab® Leap™ pH Probe to take fast, accurate measurements in nutrient solution, soil, coco coir, rockwool, potting mix...
- Regular price
- $187.51
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$225.01 - Sale price
- $187.51
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Bluelab Soil pH PenThe Bluelab® Soil pH Pen provides a pH and temperature reading of soils and media, so you know that the right nutrients will be made available to your plants. In soils or growing media, pH strongly influences the availability of the microorganisms to plants...
- Regular price
- $115.83
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$139.00 - Sale price
- $115.83
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Bluelab Leap pH Probe (Probe Only)The perfect, portable way to accurately measure and monitor pH levels in a wide range of media. We have combined the Bluelab® Multimedia pH Meter and Bluelab® Leap™ pH Probe to take fast, accurate measurements in nutrient solution, soil, coco coir, rockwool, potting mix...
- Regular price
- $86.70
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$104.04 - Sale price
- $86.70
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Bluelab Pulse Multimedia EC/MC MeterIntroducing Pulse, a new innovation designed and made in NZ by Bluelab. Easily check moisture, conductivity (a measure of the nutrient salts present in the media) and temperature directly from the root zone or in nutrient a solution. Check, correct and achieve better yield...
- Regular price
- $214.40
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$257.28 - Sale price
- $214.40