How to Adjust the Climate Control of Your Grow Room to Increase Yield (Part One)
If you're ready to take your one-plant closet hobby to a larger operation, then you're going to need to make some adjustments. A larger set-up introduces more variables, which introduces more risk and a higher chance of overlooking something, particularly in reference to your climate.
The climate control of your operation is imperative to a healthy crop, or at the very least to producing a good yield. The larger your operation is, the more variables you'll have to consider in regards to your climate control. Use these steps to help create the perfect grow room climate for your crop.
Fine-Tune Your Lighting
Whether or not you're using a hydroponic system, everyone knows how important grow lights are to the setup. Too much or too little light, the wrong color bulb, frequency, and intensity all need to be considered. However, most growers have looked at every angle of their lighting, except one: heat. Even some experienced growers overlook the amount of heat that grow lights produce, and the effect that has on the plants. Too much heat can stunt plant growth, and placing the light fixture too close to the plant will just singe it. Your lighting directly affects your ambient temperature, so you're going to have to figure out a way to balance the two. Grow lights are usually fluorescent, HID, or LED, but some may cause growers to go well above their temperature window (typically about 20 degrees, give or take). So the type of light will also be a factor in figuring out temperature control.
Control Your Temperature
Temperature control goes well beyond the heat created by your lighting setup. Basically, you want your grow room warm enough so your plants don't freeze but cool enough so they don't burn. Generally, this temperature is somewhere between 65 and 85 degrees Fahrenheit. The heat that comes from lighting tends to keep things on the warmer end, so an experienced grower will use the lighting as a heat source and just worry about cooling. Small operations can probably get away with using a standard air conditioner, but that's not always going to work -- especially for the larger operations. The bigger your setup becomes, the more thought you're going to have to put into a large-scale cooling system. One or two window AC units aren't going to cut it, and you might have to consider something that can produce consistent and evenly distributed cool air to your entire crop.
Always remember to keep your plants healthy, and you might have to purchase bulk nutrients to keep up. Bulk nutrients allow you to keep your plants consistently healthy, without having to keep ordering so much.
In the next part of this article, air movement, humidity, and CO2 will be covered.
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