Controllers

Atlas1 CO2 Monitor/Controller comes with a 25 ft remote sensor. It features adjustable set point and elevation levels, a built-in self calibration function and an integrated photocell that enables operation in daytime hours only, when the plants need CO2...

The 8 light controller operates up to 8000 W of grow lights in your garden. It features heavy-duty definite purpose contactors, dual trigger cord sets that give you the flexibility to stagger lighting schedules or delay starting times via an external...

OBSOLETE

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...