Best way to control humidity in a 4x4?

FRICKITYFRICKTYFRESH

FRICKITYFRICKTYFRESH

Well-Known Member
This is my first time growing in a tent and its been a learning experience trying to recreate the perfect growing environment in such a small space. Spyderfarmer 4x4, SF2000 led, and vivosun 4" fan with filter. Ive got my temps levled out between mid 60's low 70's. But im having huge humidity spikes at night after my light shuts off. Daytime humidity sits between 55-65% but at night it jumps up to around 80%. If i run a dehumidifer in my tent it jumps the temps up too high. Would it help if i just ran the dehumidifer in the same room but not the tent? imsa so confused 20200614_225458.jpg
 
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RANGERTHEDOG

Active Member
I have a really similar set up(4x4, SF4000) and had similar problems. I ran a dehumidifier out side the tent but that wasn’t effective because its the plants generating the humidity. Ultimately the solution was moving the dehumidifier into the tent. I have a bigger fan though with more control Cloudline infinity T6. I still can see humidity in the 50’s/60’s during the day but at night I usually get it down to below 50.

I’m still worried its too high for flowering but I either have to accept that or move to an AC solution,but that means sealing and adding Co2 potentially, whichI’m not ready for...
 
FRICKITYFRICKTYFRESH

FRICKITYFRICKTYFRESH

Well-Known Member
RANGERTHEDOG said:
I have a really similar set up(4x4, SF4000) and had similar problems. I ran a dehumidifier out side the tent but that wasn’t effective because its the plants generating the humidity. Ultimately the solution was moving the dehumidifier into the tent. I have a bigger fan though with more control Cloudline infinity T6. I still can see humidity in the 50’s/60’s during the day but at night I usually get it down to below 50.

I’m still worried its too high for flowering but I either have to accept that or move to an AC solution,but that means sealing and adding Co2 potentially, whichI’m not ready for...
Click to expand...
I wonder why my rh is spiking at night
 
C

COB Grow Mike

New Member
What kind of dehumidifier ? ... my frigidaire 50 pint seems to do the trick almost makes it to dry. Room is normal bedroom basement size
 
FRICKITYFRICKTYFRESH

FRICKITYFRICKTYFRESH

Well-Known Member
So I passed out last night before moving my dehumidifier to the room my tent is in but kept the door open all night with a fan pushing hot air from my tent out and this was my reading this morning. I'm pretty happy with that. I'm flipping the big girls to flower on Friday so going to work on getting the RH down a bit lower. 20200616_095832[1].jpg20200616_095838[1].jpg
 
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