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    The Growlink EC-1 Environment Controller is designed for small room operation. It includes the ESM1 Sensor Module and remote dosing pumps, which measures temperature, humidity, VPD, CO2 and light and allows you to dose your system with nutrients via the app. It also comes with two Power Links that allow you to control any device.


Only Available on special order


Wi-Fi connected
Controlled by smartphone, no PC required
Data saved to Growlink cloud
Temperature, humidity, CO2, VPD and light sensors
Control your temperature and humidity independently or synchronized
Day/night temperature, humidity and CO2 set points
Resists EMI/EFI from electronic ballasts
Includes two Power Link cables for controlling external devices
Expand the system with additional Power Links and wireless I/O modules
Expand to multiple facility, rooms, and zones with additional Controllers

Remote dosing pumps

Easy to install and maintain, peristaltic pumps are the easiest way to deliver nutrients, additives and pH solution to your reservoir. These pumps mount on the wall, above the reservoir. Built tough and strong for ongoing performance. Add multiple Peristaltic Pumps to manage the dosing of multipart nutrient solutions and pH up and/or down. Used with the Hydropods Nutrient Controller.


Single 80 ml/min peristaltic pump
Runs on 12-24V DC – Power adapter and cable included
Barb Hose fittings
Advance RF communication with Nutrient Controller

*Requires Hydropods Nutrient Controller.

The only controller you need to run all your grow equipment

Complete Climate Controller
Hydroponics Controller
Environmental Controller
Temperature Controller
Humidity Controller
CO2 Controller
Fogger Controller
Time lapse grow movie creator
Cycle Timer(s)
Lighting Controller
Atmospheric Controller
Long Term cloud data logger with advanced analytics
Control MULTIPLE growing areas from one account
And much more

Controller Features


ARM Cortex M3 Micro controller
1MB Flash Memory
128K RAM
2 GB SD Card
Battery Backup


Wi-Fi 802.11b/g/n @ 2.4GHz
802.15.4 @ 2.4GHz Mesh Network


Supports wireless I/O expansion modules only

Remote Control

Wi-Fi connection with internet access
Growlink App on phone or tablet with iOS 8 or later, or Android 4 or later
Latest version of Safari, Chrome, Firefox or Internet Explorer on Mac OS X v10.9 or later and Windows 7 or later

Sensor Module Features

Integrated Bosch BME280 pressure, humidity, vapor pressure and temperature sensor
Integrated Telaire T6615 CO2 Module
Light Level Sensor


Operating Range

Pressure: 300…1100 hPa
Humidity 0…100%
Temperature: -40…85°C
CO2: 0-2,000ppm

Temperature Sensor
Response time (τ63%)
Accuracy tolerance
1 s
± 3 % relative humidity
≤ 2 % relative humidity
CO2 Sensor
Response Time
Signal Update
400-1,250ppm: ± 30ppm or 3%
< 2 minutes for 90% step change
Every 4 seconds
Humidity sensor
Response time (τ63%)
Accuracy tolerance
1 s
± 3 % relative humidity
≤ 2 % relative humidity
Pressure sensor
RMS Noise
Sensitivity Error
Temperature coefficient offset
0.2 Pa (equiv. to 1.7 cm)
± 0.25 % (equiv. to 1 m at 400 m height change)
±1.5 Pa/K (equiv. to ±12.6 cm at 1°C temperature change)
Light Sensor
Accuracy tolerance
0.01 lux; 0.01 fc

In The Box

EC-1 Controller
ESM1 Environment Sensor Module
2x Power Links
Quick Start Guide
2x Power Adapters
Mounting Hardware

Growlink Pro

Growlink Pro is not available on the EC-1. If you are interested in Growlink Pro, please consider the EC-3 or EC-6.


1-year limited warranty
30-day money back guarantee
Free lifetime fanatical support


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