Warmer at dark times

Indoor Growing Lighting
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Hi, let me explain my condition here.

-Setup : my DIY unconcealed was sit in my living area. I do have grow room but it is on my 2nd floor which is connect to the roof and no AC in there. So I move all my setup down here.
-Climate : Im not from America or EU. living here in SEA, it hot and humid kill my grow room upthere. last summer hit 40c and humidity is crazy over 70% all the time. Mold hit my last crop.

from upper information. I grow autos and light schedule is 18/6. I turn on my AC through the day and my plant growing under light with 26-28c 45-55%RH. then dark times temp increase to 29-31c 60-75%RH.

do you think I should work on this ? or just grow like normal.

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31°C is around 87°F. For lights out that is a little warm. I would try to grow a strain that is bred for your climate. Some strains do better with the heat than others. Make sure you have good airflow.

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Thanks ! I can clearly see my Sativa dominance grow a lot healthier than indica. I ordered more oscillating fans due to I scared of mold too. im not sure about dehumidifier, should I looking for them?

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As long as you are in an enclosed space, a dehumidifier would work. But remember, a dehumidifier produces heat, so you have to control that also.

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Hey @kardel I use a VPD chart to monitor the condition of my tent.

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Thanks ! It really hard to get optimal kPa for me with budget setup :sweat_smile::disappointed_relieved:

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I hear you on the heat and humidity in the summertime. I have similar conditions at my location. Very hot in summertime with cool/cold during the winter. I have A/C in my upstairs game room where I have; one 4x4’ and 1 4x9’ tents.
I’ve found that I can grow during the winter months, fall through spring, and kick back during the summer. Also I run my main 2@480w lighting from 8pm-12pm. Starting early germination and then cloning the good specimens allows me to have multiple harvest. The additional 4x4’ tent allows for a spot for early veg on my clones. And the 4x9 tent has a 4x1’ section separating the remaining 4x8’ section. This 4x1’ has a center shelve that I have my germination area with t5 Florescent and heat pad. On the bottom I have a 180w blue and red LED for seedlings.

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nice garden! I will eventually gather items through years while I only grow around AUG - DEC or 1 times a years since it cooler tho. but outdoor would be a good idea to grow mother’s here in summertimes. will try that once I have more proper material to deal with problem. Thanks for knowledge growbro

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