What is a Grow Room Controller?  

A grow room controller brings together all the moving parts of your cultivation facility and allows you to automate your operation. With a grow room controller, you can monitor and control your climate, lighting, irrigation, fertigation, and track your crop’s success to adjust and improve each cycle. These control systems can connect to existing equipment or come with their own set of sensors to track your environment, and adjust according to your set parameters, ultimately saving you time and money.   

Grow room controllers integrate with existing systems, or can be purchased with sensors and equipment for larger operations. Some systems need only a few sensors and an application for your phone or computer, while others require larger computing and monitoring devices. Which option you choose will largely depend on the size of your greenhouse or indoor growing operation.   


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Being able to monitor and control your indoor or greenhouse facility is crucial for consistent and desired results. These systems are a huge benefit to all crop types, including cannabis, and can be adjusted to fit your cultivation style and desired outcomes. Not only will you be able to more accurately track and monitor your crop’s progress, but you can then take that learning and replicate it or improve upon it for your next growth cycle. 

The Benefits   

Grow room controllers offer you complete control and oversight of your crop. Any environmental aspect that you wish to control can be monitored and adjusted with a grow room control system. More advanced systems offer automation for your whole system, allowing you to pull yourself out of the weeds (pun intended) of trying to control everything manually. Grow room controllers are also scalable, especially if you purchase a setup with that in mind, allowing you to expand your facility but keep the same environmental parameters and automation.   

All greenhouse and indoor growers know that having control over your environment is crucial to achieving desired results. This means monitoring and adjusting your lighting, climate, irrigation, and fertigation to ensure consistency, which can be time-consuming. A greenhouse control system does the monitoring and adjusting for you, ensuring all of the environmental controls work together and are adjusted accurately.   

greenhouse control system


With advanced control systems, you can program light preferences for your greenhouseso if light falls below a certain threshold your lights will adjust and will turn off if it exceeds that threshold. Indoor growing can also benefit from a lighting such as timers and spectrum controlsHydroponic sensors in your medium can tell you if you need to increase or decrease water durations. Ultimately being as efficient as possible with water and electricity, which is both environmentally and economically beneficial.  

This monitoring and automation are incredibly cost-effective in the long run for your greenhouse or indoor facility. The more automation you have, the less labor you need to support your cultivation, and labor is one of the most, if not the most costly aspect of a cultivation facility. Grow room and greenhouse control systems can also schedule timers and alarms for preventative maintenance so that your equipment can receive proper downtime, preventing blowouts and loss of productivity.   

How to Select a Grow Room Controller  

cannabis ph chart

Figure 1 from GroAdvisor Webinar 

The above worksheet is an example of how you can select the right grow room controller for your needs. While many focus on cost, it’s also important to take into account which system will integrate with and enhance your facility the most. Take stock of your equipment and current manual system to ensure that your new grow room controller will add value to your operation.   

Finding a grow room controller that is right for your facility will help you realize your fullest growth potential. Once you have compared and found a system that can accommodate the environmental controls you’d like to track and automate, all that’s left is the installation. Once the grow room controller is installed and your parameters are set you will no longer have to manually adjust your elements, saving time and labor, which ultimately saves money. 


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