How to Increase Humidity in Grow Tent – What You Need to Know

Humidity is a big deal when you are growing indoors, and it is easy to forget that our plants need it. Today we’re going to be talking about how to increase the humidity in your grow tent properly. This is a very important topic, and it’s one that a lot of people often overlook.

A lot of people seem to think that you just set up your grow tent and you’re good to go, but that’s not the case. In order for your cannabis plants to thrive, you need to make sure that the conditions inside the tent are ideal for them.

One of the main things that you need to watch out for is the humidity level. So continue reading to the right grow tent temperature and humidity levels and how to set them.

Ideal Temp and Humidity for Grow Tent

scrog-the-bowl-marijuana

When you’re growing cannabis, you want to try to keep the humidity level between 40% and 60%. If you get it below 40%, then you’re going to risk stunting your cannabis plant’s growth.

If you get it above 60%, then you’re going to run the risk of your cannabis leaves getting spots and developing blemishes.

Of course, the humidity level is not going to stay the same inside of your grow tent. It’s going to fluctuate a bit, and that’s normal. However, you do need to make sure that you control humidity in a grow room and that you’re taking steps to ensure that the humidity level inside of your grow tent is ideal for your cannabis plants.

The cannabis plant grows faster at a higher temperature. This is why you need to have a grow light of some sort to help make up for the lack of light during the winter months. The more light you have, the more heat that you will produce.

The optimum temperature is between 72-77 degrees F. This is because the best temperature for photosynthesis is between 72-77 degrees.

Ways to Increase Humidity in Grow Tent

The humidity inside a grow room is a very important factor that needs to be taken care of. A grow room should maintain a high level of humidity. It can be easily done by using a fan, dehumidifier, or humidifier.
There are various ways to increase humidity in a grow room. The grower should use a combination of them to get the desired result and have a successful crop.

Use a humidifier for weed

Humidifiers are the most important thing to raise the humidity in grow tent. There are various types of humidifiers available. Using a humidifier is the best way to increase the humidity level in a room. It is very effective and easy to use. It helps to keep a good growth of the plant.

This is by far the easiest way to increase the humidity level without having to spend too much money. You simply fill the cannabis humidifier up with water, turn it on, and let it run for a few hours.

Use a fan

Using a fan is also a very effective way to grow tent humidity. If you have a room humidifier, you can use a fan to generate a flow of air in the room.

Prevent the evaporation

The grower should prevent evaporation from the plants and soil. This can be done by using plastic sheets that should be placed on the floor.

Use a fogger

This is one of the best ways to increase the humidity levels in the tent in an efficient way. A fogger is a device that creates a fine mist of water.

This mist of water falls on the plants and soil, humidifying them. You can increase the amount of humidity in a grow tent by using a fogger twice a day for about half an hour.

Keep the room ventilated

The grower should keep the room well ventilated. It can be done by opening the door and windows for some time. As described above, using a fan is also a good option.

Water your plants thoroughly

The next way that you can increase the humidity inside of your grow tent is by watering your plants thoroughly, and I mean thoroughly. You want to make sure that your plants are completely soaked when you water them.

This will make sure that your plants stay moist and raise the humidity level.

Repot your cannabis plants

I know that repotting your cannabis plants probably seems like a waste of time, but it’s not. Repotting every few weeks or so will help to increase the humidity inside of your grow tent. This is because when you repot your plants, you’re essentially adding more soil.

The soil will absorb the moisture from the air, and it will then give it back to your plants. This will help to increase the humidity in your grow tent.

Water your plants with evaporation humidifiers

Now, you can also purchase a product called an “evaporation humidifier.” These are essentially humidifiers that you can run while your plants are not in the grow tent. You simply fill up the humidifier with water and then place it in a place where it won’t be disturbed.

The water inside will evaporate into the air, and this will help to increase the humidity level.

How NOT to Increase the Humidity in Your Grow Tent

Now that we’ve gone over how to properly increase the humidity inside of your grow tent, we’re going to take a look at a few things that you need to avoid doing so that you don’t end up making the humidity inside of your grow tent worse.

There are a couple of things that you should avoid doing if you want to increase the humidity inside of your tent.

Don’t add too much water to your plants

If you’re using a humidifier, then you want to make sure that you don’t add too much water to your plants. When so, you are essentially diluting the water inside of their cells. This means that your plants will not be able to absorb as much water, and they will not be able to grow as well.

Don’t use ice cubes

Last but not least, you want to make sure that you’re not using ice cubes to increase the humidity in your grow tent. You see, ice cubes are going to cool down the temperature inside of your grow tent, and that’s going to make the humidity level go down.

FAQ

Dry marijuana leaf

Have questions? Check out the FAQ for answers to the most commonly asked questions we get!

What happens if humidity is too low in grow room?

If humidity is too low, the leaves of the plant will dry and become crispy. This will lead to loss of the leaves and, eventually, death of the plant. This problem is quite common during the winter season.

If humidity is too high, the plant will not be able to breathe and will start to suffer from various problems like damping-off, root rot, root-knot nematodes, and Botrytis.

What is the best way to raise humidity in grow room?

The best and the most effective way to control humidity in grow room is to use a humidifier. It will add moisture to the air and keep humidity at the desired level.

How humid should my grow tent be?

The relative humidity inside the grow tent should be between 40-60%. For most growers, this means having a humidifier running in the grow room. If you are using a dehumidifier, you’ll want to keep the RH lower.

How can I reduce the humidity in the grow room?

If the RH is above 60% then you will need to have a dehumidifier running in the room. The other option is to vent the grow room.

Happy Growing

As you’ve seen, there are several ways to increase humidity in your grow tent. The only surefire way to do it is to use a humidifier. The higher your humidity, the healthier your plants will be. If you have insufficient humidity, you are inviting root rot and other fungal diseases.

I hope this review helps you to increase the humidity level and produce better plants and bigger yields. I am a firm believer that you need to increase the humidity in your grow tent to keep your plants healthy.

Please feel free to share this article with anyone you think may benefit from it. If you have any questions, don’t hesitate to ask.

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