High temps

salty

salty

Active Member
Ok I have 2 plants set up in a small speaker box with 4 cfl's I have 1 intake and 1 exhaust.. it gets really hot 94 degrees hot..should I, add another fan for exhaust or for intake?
 
i would take the fan out of the intake and use it as another exhaust. and either cut another passive intake hole or make the intake hole you have now larger.
whats the temp. of the air going in the intake?
 
Ok I took out 2 cfls for now..since I did start with only 2 in the beginning and the plants were doing fine..I have an extra fan and I'm going to cut out another hole for exhaust.
 
Ok well I added another exhaust fan..its quite big..I also changed the plug for the fans as the other one had a smaller voltage output..now the with the extra fan and the fans running much much faster the temp is still high..it either sits at 87-90 or 91
 
No not really the box is in my room..I guess I could pull the temp monitor out and sit it in the room..I'll get it brb..
 
85 is good -- some strains, like herrer, perform better in cooler temperatures.

the only reason i ask about the ambient temperature is if it is also in the 90s, then...what could one expect?
 
well ok I guess thats right..its 81 in my room..and when I went to pull the temp gauge out of the box it was at 85 so I guess it went down some.
 
true -- bring the ambient temperature down and the temperature in there will go down. if you can locate your speaker/grow box in front/on top of an ac vent -- it'll drop the temperature significantly.

as long as the ac doesnt come from the ceiling you should be able to help it...
 
scoregreen said:
true -- bring the ambient temperature down and the temperature in there will go down. if you can locate your speaker/grow box in front/on top of an ac vent -- it'll drop the temperature significantly.

as long as the ac doesnt come from the ceiling you should be able to help it...
Click to expand...

yea..the ac is on the ceiling :( and in front of my door..the speaker box is on the opposite side of the room..sucks
 
salty said:
Ok well I added another exhaust fan..its quite big..I also changed the plug for the fans as the other one had a smaller voltage output..now the with the extra fan and the fans running much much faster the temp is still high..it either sits at 87-90 or 91
Click to expand...

You can only suck out a lot of air if you have provided enough air intake. So, if you have a 6" fan sucking and your enclosure is totally sealed, at a minimum you want a 6" passive intake.

Like someone else mentioned the air will only get warmer than the air of the room it's in. If it's 85-90 in the room you have your enclosure in, well, expect high temps.
 
Well I took out 1 cfl a while ago..and they temps have not gone above 90..they are from 80-85..I'm not too worried.
 
is it true that if you are running c02 in the room you can grow in warmer conditions? my room is running about 90 degrees with ac in the room. how bad is this?
 
yes, with c02 it can (maybe even should?) be warmer -- ive not dabbled in adding c02 yet. did the yeast thing...waste of time.

high temps can cause hermies, too -- and mine that were in flower that were really hot never yielded worthwhile bud.
 
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