Controllers

Preset CO2 control at 1500 PPM. Built-in self-calibration feature. Easiest to use CO2 controller on the market. Simply plug in your CO2 generator or regulator and you are ready to go. Built-in photocell allows CO2 enrichment only during daylight hours...

This controller will run eight (8) HID lights at 240 V. The only lighting controllers featuring two (2) industrial-grade ballast-rated relays. Plug relay trigger cord set into 24 hr wall timer. Removable front panel makes controller easy to wire into...

Using a timer to automate your lighting adds convenience and encourages productive growth with consistent hours of light. Timers are also essential for many hydroponic system applications. This model has two outlets. Features 1 second on/off Up to 8...

Using an analog timer to automate your lighting adds convenience and encourages productive growth with consistent hours of light. Timers are also essential for many hydroponic system applications. Features 15 minute on/off 24 hour cycle Controls two...

Using a timer to automate your lighting adds convenience and encourages productive growth with consistent hours of light. Timers are also essential for many hydroponic system applications. Features 1 second on/off Up to 8 on/off cycles per...

Using an analog timer to automate your lighting adds convenience and encourages productive growth with consistent hours of light. Timers are also essential for many hydroponic system applications. Features 15 minute on/off 15A/1725W Great for lighting,...

Gardeners can conveniently test their moisture, light, and pH levels with the handy Active Air 3-Way Meter. Moisture readings register on a scale of 0 (dry) to 10 (moist); light readings range from 0 LUX (low light) to 2000 LUX (very strong light);...

You'll find multiple uses for and multiple places to put this Active Air hygro-thermometer. Check the large number LCD display from a distance, and move it around with you as you go about your gardening tasks. The hygro-thermometer's readings are...

All new for 2020, the Advanced Quantum PAR Meter provides accurate and cost-effective measurement for all light sources used to grow plants. The PHOTOBIO by Phantom Quantum PAR meter is designed to measure PAR (Photosynthetically Active Radiation) flux...

The Autopilot ECLIPSE F60 Digital Environmental Controller combines precise temperature and humidity control along with cycle timing to create an intelligent yet easy-to-use unit. Three digital screens continuously display current temperature, relative...

Records and Exports 1 Year of Environmental Data! Developed to detect the presence of CO2 and to monitor temperature & relative humidity in ambient air, this device is smart, compact and easy to use. Its high quality LCD display, and it features...

Autopilot APC8200 CO2 Monitor & Controller with Memory offers a simple and affordable way to control, monitor and record CO2 levels over an adjustable period of time. Trace your room's CO2 levels over minutes, hours, or up to 7 days with this...