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pH Meters / Controllers

  • Milwaukee PH600 pH Meter

    Milwaukee's most affordable pH meter.  The pH 600 is a full range pH meter with a range from 0.0 - 14.0 ph. Milwaukee's economical testers are easy-to-use and low cost instruments to measure quick and reliable pH values.  This meter should be...

    Our Price: $34.95
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  • Bluelab pH pen

    The Bluelab pH Pen is a handy option for hobby and small scale hydroponic growers. Maintaining proper pH levels is key in raising healthy, fruitful plants, and this pen accurately measures both the pH and temperature in your hydroponic system. It also...

    MSRP: $113.00
    Our Price: $99.95
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  • Bluelab Grower's Toolbox - Limited Edition

    The Bluelab Grower’s Toolbox combines the essential tools to easily manage crops by measuring the pH, conductivity (ppm) and temperature of the nutrient solution. Learn the hydroponics basics with the Grow Book. Keep growing with the ultimate handy...

    Our Price: $189.95
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  • HM Waterproof pH/Temp Meter

    FEATURES Measures pH and Temperature Auto-ranging three point calibration with digital fine tuning Includes 4 pH buffer solution in a sponge embedded in a clear cap, so you can see if it's dried up Waterproof housing Simultaneous temperature display ...

    Our Price: $89.95
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  • Bluelab pH Probe Only

    Easy to clean because of its bullet shaped glass bulb. Fully waterproof and less fragile than all-glass electrodes because of its tough polypropylene barrel. Gel filled (non-refillable) making it maintenance free and a double junction reference providing...

    Our Price: $69.95
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  • Autopilot Digital pH Controller

    Autopilot Digital pH Controller

    The Autopilot pH-1 controller accurately and reliably measures and controls the pH of any water-based solution, including hydroponic nutrient mixtures, and fish aquarium water. After selecting the desired pH setting from 5.0 to 8.0 pH, the pH controller...

    Our Price: $369.95
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  • Bluelab Soil pH Probe Only

    The pH level of soils or substrates strongly influences crop performance. Do you know what the pH of your soil is? Soil pH measuring made simple! If you need to measure the pH level of soil, media or substrates, then the Bluelab Soil pH Meter is just...

    MSRP: $110.00
    Our Price: $99.95
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  • Hanna GroLine PH Checker Tester

    The HI98115 is a GroLine pH tester with advanced features for the measurement of pH in hydroponic nutrient solutions. The HI98115 is a very simple meter to operate with all functions including turning on/off and calibration are performed with a single...

    Our Price: $59.00
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  • Hanna GroLine pH Tester

    Hanna GroLine pH Tester

    The GroLine HI98118 pH/temperature tester is our latest pocket meter for measuring the pH of a hydroponic nutrient solution. This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98118 has a very...

    Our Price: $69.95
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  • Hanna GroLine pH/EC/TDS Combo Pen

    Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialized electrode combines 3 sensors in a single rugged probe featuring a polypropylene body, integrated...

    Our Price: $209.00
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