How to increase humidity in grow tent? 2020 Updated
Humidity Basics
Humidity is the amount of water vapor held in the air. There are three ways to measure humidity-- absolute, relative, and specific. You can also measure it using a hygrometer, which actually should be one of your best friends when gardening.
Since we're into indoor gardening, we focus on the relative humidity. RH measures how much water is in the air versus the maximum amount of water that can be held in the air at a certain temperature.
Plants can thrive at different relative humidity levels, but it would still depend on the temperature in your grow tent. Remember, the warmer the air, the more water vapor it can hold.
Higher humidity is important
Many new growers believe that plants do not like high humidity. This is not true, for most of their lives plants love higher humidity. High humidity can be an issue when it comes to flowering but during the growing phase, it is beneficial.
Buy a hygrometer to measure humidity
Go and buy a cheap hygrometer to start with. You don’t need anything fancy at this stage, just a nice indicator of what temperature and humidity are inside your grow tent.
Lower Extraction Fan Setting
Fans are crucial in every grow tent simply because they allow the air to circulate and be well-distributed by plants. This facilitates the exchange of air inside the grow tent and outside, as fresh air has to be introduced to prevent harmful microorganisms from increasing in number and/or staying in the area.
Having your fan speed set too high, however, will cause the air to dry quicker, instead of allowing the water vapor to settle, and thereby be absorbed by the plants nearby. You could also incorporate a humidifier or dehumidifier in your surroundings as well.
Humidity and Light
Light does not have a direct impact on the humidity of a given space. But cannabis grow lights are quite heated generation, which impacts on the humidity of the room. If you don’t ensure a proper air-cooling system around the lights, this will eventually impact on the humidity.
That being said, using cooler lights like LEDs is a smarter option from every point of view.
Using a humidifier
If you want your plants to get ideal condition for growth, it requires optimum humidity for grow tent. Use a humidifier for plants in it. Are you getting worried about the money cost? You can get it at a very reasonable price from any popular online marketplace.
In fact how humidifier works in increasing the humidity? It generates a cold mist that is conducive to the growth of the plants. Generally, you will find a humidifier engrossed with water vapor. When needed, the vapor emits from the base and makes the surrounding filled with moisture.
Hence, make sure the humidifier in grows tent needs not to be too much action in releasing vapor. Otherwise, it draws extra problem by creating an uncontrolled situation inside the grow tent. Excessive humidity is not good at all for the plants to grow on a regular basis.
Best Humidifiers for Grow Tent
ECO FARM Hydroponics 8L Capacity Air Humidifier
If minimal effort is something that sounds good to you, then this cool mist humidifier from Holmes will be right up your street. It can run for 48 hours with just one tank of water (which has a 8L capacity). Thanks to the inbuilt Humidistat this humidifier is able to carefully monitor the humidity in your grow room – it will switch off as soon as it reaches the humidity you want and will switch itself on again if that level changes.
Humidity is the amount of water vapor held in the air. There are three ways to measure humidity-- absolute, relative, and specific. You can also measure it using a hygrometer, which actually should be one of your best friends when gardening.
Since we're into indoor gardening, we focus on the relative humidity. RH measures how much water is in the air versus the maximum amount of water that can be held in the air at a certain temperature.
Plants can thrive at different relative humidity levels, but it would still depend on the temperature in your grow tent. Remember, the warmer the air, the more water vapor it can hold.
Higher humidity is important
Many new growers believe that plants do not like high humidity. This is not true, for most of their lives plants love higher humidity. High humidity can be an issue when it comes to flowering but during the growing phase, it is beneficial.
Buy a hygrometer to measure humidity
Go and buy a cheap hygrometer to start with. You don’t need anything fancy at this stage, just a nice indicator of what temperature and humidity are inside your grow tent.
Lower Extraction Fan Setting
Fans are crucial in every grow tent simply because they allow the air to circulate and be well-distributed by plants. This facilitates the exchange of air inside the grow tent and outside, as fresh air has to be introduced to prevent harmful microorganisms from increasing in number and/or staying in the area.
Having your fan speed set too high, however, will cause the air to dry quicker, instead of allowing the water vapor to settle, and thereby be absorbed by the plants nearby. You could also incorporate a humidifier or dehumidifier in your surroundings as well.
Humidity and Light
Light does not have a direct impact on the humidity of a given space. But cannabis grow lights are quite heated generation, which impacts on the humidity of the room. If you don’t ensure a proper air-cooling system around the lights, this will eventually impact on the humidity.
That being said, using cooler lights like LEDs is a smarter option from every point of view.
Using a humidifier
If you want your plants to get ideal condition for growth, it requires optimum humidity for grow tent. Use a humidifier for plants in it. Are you getting worried about the money cost? You can get it at a very reasonable price from any popular online marketplace.
In fact how humidifier works in increasing the humidity? It generates a cold mist that is conducive to the growth of the plants. Generally, you will find a humidifier engrossed with water vapor. When needed, the vapor emits from the base and makes the surrounding filled with moisture.
Hence, make sure the humidifier in grows tent needs not to be too much action in releasing vapor. Otherwise, it draws extra problem by creating an uncontrolled situation inside the grow tent. Excessive humidity is not good at all for the plants to grow on a regular basis.
Best Humidifiers for Grow Tent
ECO FARM Hydroponics 8L Capacity Air Humidifier
If minimal effort is something that sounds good to you, then this cool mist humidifier from Holmes will be right up your street. It can run for 48 hours with just one tank of water (which has a 8L capacity). Thanks to the inbuilt Humidistat this humidifier is able to carefully monitor the humidity in your grow room – it will switch off as soon as it reaches the humidity you want and will switch itself on again if that level changes.
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