Recently started a 3x3x72 grow tent. I am new to grow tents and hydro systems. I started out with a 5 gallon DWC bucket. A 315 CMH light. AC infinity carbon filter and exhaust fan. After countless hours of reading and videos I thought I had what I needed. Little did I know.
One of the things that made a huge difference for me was not understanding that the exhaust fan need to be blown into another room (not the room the grow tent is in) or preferably outside. I have my setup in a 4x10 closet with one AC vent in the room. Sending the exhaust into the room warmed it 7-10 degrees and it’s only April. The temps in the tent were over 90. There won’t be any success with a DWC system in 90+ degree water and outside temps. Running the exhaust fan outside got me to around 85-88.
The next thing is that with the CMH light and exhaust on full my humidity was around 25-28%. Also not ideal and not going to bring success. In order to combat this I added a humidifier. This dropped my temps down to 80-84 and brought my humidity to 50%. I only run it 30 mins prior to lights coming on and until 30 mins after the lights go off. Running it when the lights are off brought humidity to 70-80% fairly quickly. No need to give ideal conditions for mold.
You can certainly have success growing in the low 80’s but not if your water is in the low 80’s. To alleviate this I added a chiller and 20 gallon reservoir outside the tent to keep water at 70 degrees and made this a recirculating system.
Of course there are other things that could be done. I would have liked to have used an AC unit to cool the tent and not had to have had a chiller but that wasn’t an option for me.
I am using Advanced Nutrients complete system for my nutrients.
This is just the start to my journey and will update as I have more information. Like most I am very excited and my first plant is Ethos Genetics – CrescendO RBXV2 Feminized. Pushing 30% THC content can’t wait! Thanks for reading.
One of the things that made a huge difference for me was not understanding that the exhaust fan need to be blown into another room (not the room the grow tent is in) or preferably outside. I have my setup in a 4x10 closet with one AC vent in the room. Sending the exhaust into the room warmed it 7-10 degrees and it’s only April. The temps in the tent were over 90. There won’t be any success with a DWC system in 90+ degree water and outside temps. Running the exhaust fan outside got me to around 85-88.
The next thing is that with the CMH light and exhaust on full my humidity was around 25-28%. Also not ideal and not going to bring success. In order to combat this I added a humidifier. This dropped my temps down to 80-84 and brought my humidity to 50%. I only run it 30 mins prior to lights coming on and until 30 mins after the lights go off. Running it when the lights are off brought humidity to 70-80% fairly quickly. No need to give ideal conditions for mold.
You can certainly have success growing in the low 80’s but not if your water is in the low 80’s. To alleviate this I added a chiller and 20 gallon reservoir outside the tent to keep water at 70 degrees and made this a recirculating system.
Of course there are other things that could be done. I would have liked to have used an AC unit to cool the tent and not had to have had a chiller but that wasn’t an option for me.
I am using Advanced Nutrients complete system for my nutrients.
This is just the start to my journey and will update as I have more information. Like most I am very excited and my first plant is Ethos Genetics – CrescendO RBXV2 Feminized. Pushing 30% THC content can’t wait! Thanks for reading.
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