Light Timers & Controllers come in many different styles depending on your needs. Below are explanations of each type and recommended usage. Each controller has its own features, be sure to take this into account when deciding what timer or controller will work best for your grow room.

Light Timers are best for 1 or 2 lights. These timers come in mechanical or digital and have low max watts and amps. Standard timers are easy to program and are often used for other purposes, like to run pumps, fans, light movers and more.

HID Controllers are designed to be used with 4 or more high wattage lights at the same time. These rugged controllers are built with heavy duty components to withstand larger power demands. Be sure to check for features like built-in timers, circuit breakers, and plug types when deciding what controller will be best for your situation.

Flip Boxes allow you to run two different sets of lights with only one set of ballasts by alternating their lighting schedules. For example, by using a Flip Box you could run 16 lights off of only 8 ballasts rather than needing a ballast for each light. Using Flip Boxes will double production, save on equipment and maximize available power.

CO2 Controller Features - below are commonly found features in CO2 controllers.

Integrated CO2 sensors reside within the controller itself.
Remote CO2 sensors utilize a probe to measure the CO2 at a distance away from the controller.
Adjustable CO2 setpoint means that you can set a range (measured in PPM) that your CO2 levels need to remain within.

Learn more about adding CO2 into your grow room here.

Number of Outlets - Choose your lighting controller and/or timer based off of the number of outlets you need for your grow room lighting. Be sure to check what voltage plugs are included in the controller or timer for compatibility with your grow lights or ballasts.

Number of Zones - This refers to the number of rooms that the controller allows you to monitor or control.

Photocell - is a feature of some lighting controllers and timers that will allow equipment to be activated based on daytime or nighttime periods. This is helpful for turning off exhaust fans for your air-cooled lighting during the lights off period. Another example would be when using CO2 in your grow room, use a controller with a photocell sensor that will turn off your CO2 devices during the lights off period because plants do not use CO2 at night.

CO2 Part Types - Can't find a replacement part or upgrade for your CO2 system? Give us a call and we will help you find it.

Hardwired - Some lighting controllers are required to be hardwired directly into the electrical in your house. These units do not have the typical 120 or 240 Volt plug. Please consult with a licensed electrician prior to installation.

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