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Growlink Precision Irrigation Bundle

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  • - $298.00
  • Regular price $699.00
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    CO2 Sensor

    At Growlink, we're dedicated to empowering your cultivation with advanced technology, but we understand the importance of peace of mind. That's why we offer you the opportunity to try our solutions risk-free. If you're not completely satisfied within the first 30 days of your purchase, we guarantee a full refund, no questions asked.

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    1 x TERRALINK substrate sensor
    1 x ESM3 Climate Sensor (Temp, RH, VPD)
    1 x PRECISION IRRIGATION CONTROLLER (4 Irrigation Valve Outputs)
    Expand your system by adding 3 additional substrate sensors and 3 additional climate sensors.


    30-DAY FREE TRIAL to the GROWLINK PRO Cultivation Platform. Standard subscription at $20/month thereafter, unlimited users & forever data storage. Exclusive to new subscribers only.


    Optimize your cultivation with precision: Introducing the ultimate automation in irrigation management. Our AI-driven crop steering program, a first in the market, empowers you to automate your irrigation effortlessly. Utilize sensor triggers, timers, and schedules to ensure your crops receive exactly what they need, when they need it. Elevate your agriculture technology and put your irrigation on autopilot. Experience unparalleled efficiency and productivity.


    Precision Irrigation Controller
    4 zone base controller
    Run up to 4 standard 24VAC solenoids at once
    Unlimited sensor triggers, timers and schedules
    Connects to the Growlink Cloud
    Requires ethernet or wifi connection to internet

    Terralink Sensor

    Volumetric Water Content
    Soilless Media Calibration: 0.0–1.0 m3/m3
    Apparent Dielectric Permittivity: 1 (air) to 100 (water)
    Accuracy: ± 0.02 for 0-53%; ± 0.04 for 53-100% in any porous medium
    NOTE: The VWC range is dependent on the media the sensor is calibrated to. A custom calibration will accommodate the necessary ranges for most substrates

    Range: -40℃ - 85℃
    Resolution: 0.10 °C
    Accuracy: ±0.4 °C from −40 to 0 °C ±0.3 °C from 0 to +85 °C

    Bulk Electrical Conductivity (EC)
    Range: 0–20,000 μS/cm (bulk)
    Resolution: 1 μS/cm
    Accuracy: +/- (5% + 10 μS/cm) from 0–10,000 μS/cm
    +/- 8% from 10,000–20,000 μS/cm

    ESM3 Climate Sensor

    0…5000 ppm
    Accuracy CO₂ - * mv – measured value
    ± (50 ppm + 2 % mv*)
    ± (50 ppm + 3 % mv*)
    ± (100 ppm + 5 % mv*)
    ± (1.5 % from full scale + 2 % mv*)
    ± (1.5 % from full scale + 2 % mv*)

    Relative Humidity
    0…100% RH (non condensing)
    Accuracy Relative Humidity at 25 °C (77 °C) and 20...80% RH
    typ. ± 3 % RH

    -40…60 °C (-40...140 °F)
    Accuracy Temperature at 5…60 °C (41…140 °F)
    typ. ± 0.5 °C (± 0.9 °F)


    1 x TERRALINK substrate sensor
    1 x ESM3 Climate Sensor w/cable (Temp, RH, VPD) optional CO2
    1 x PRECISION IRRIGATION CONTROLLER (4 Irrigation Valve Outputs)
    1 x Universal Power Supply
    1 x Wall Mounting Hardware
    1 x Quick Start Guide



    Growlink is committed to accessibility and flexibility, always offering a free version of our software with no mandatory subscription. This ensures every cultivator can access essential tools to optimize their operations, choosing only the services that best fit their needs.

    Growlink stands behind the quality and effectiveness of our hardware and software tools designed for cannabis cultivators. That’s why we offer an unparalleled "Try It for 30 Days: Money-Back Guarantee." This guarantee allows you to integrate our solutions into your operations completely risk-free.

    At Growlink, we are committed to maximizing the success and efficiency of cannabis cultivators through not only our state-of-the-art software tools but also through our unparalleled customer support. Unlike a competitor who charges upwards of $500 per hour for consultation, Growlink provides these essential services at no additional cost.

    TerraLink sensors use standard SDI-12 communication, making them compatible with many data loggers and controllers, including Agrowtek, Pulse Grow, Aranet, and others. At Growlink, we believe in open compatibility and will never sell you a product that locks you into our platform exclusively.

    The TerraLink sensor from Growlink matches or surpasses other popular sensors in accuracy, despite competitors' misleading claims. Rigorous testing and practical use have proven its reliability in optimizing cannabis cultivation. Growlink upholds transparency, offering technology that genuinely enhances grow operations.