Help, heat issue

L

Ltfreedom

Member
I need help picking a few strains for my second time grow and (HELP) with my grow setup.


To start, my box/cabinet has some flaws which cause the temps to sometimes soar into the mid (90's degrees F ) during the day and drop down to the (LOW 80's and mid 70's degrees F) with my LED LIGHTS on at NIGHT


what's strain or strains would Be best suited or recommend for this kind of environment?

what modifications do I need to make to eliminate the HEAT ISSUE ?



Info:
Cabinet: in storage room no windows, Has 2 huge doors that one is open half of the time

Cabinet size 6ft x 4ft x 2ft
H. L. D

--2 exhaust fans and 1 Intake, all 3 the same size, & 1 ocilating fan--

:Fans are 120mm cooling fans
:6 in. Ocilating fan

Plants in soil ( happy frog soil )

⚡Led Mars reflector 48 (3x)
 
Mount

Mount

Well-Known Member
I do not know of any strains that handle 90's with flower, but then others may. I think your fans are too small, have any idea how many cfm they move? They are at the top of the cabinet, correct? Any passive intake to go with the intake fan? I would upgrade to a 6 inch 440cfm exhaust on a controller. If you share a picture of the setup it might help as well.
 
Colo MMJ

Colo MMJ

Well-Known Member
www.mannanutrients.com and they sell a product called Summer to help with heat. I never used it and have no idea if it is any good.
Like the others said get more fans. Maybe a small portable AC.
 
Last edited:
Mount

Mount

Well-Known Member
Ltfreedom said:
Define passive intakes?
Click to expand...

This way there is more circulation. Cut holes and install these. You can also put a part of a womans nylon stocking on the cabinet prior to the install of the grill as a filter to keep insects out if you choose. You can also install deflector over it if you fear light infiltration. Paint the deflector.

 
Roger A. Shrubber

Roger A. Shrubber

Well-Known Member
if you put two of those grills on the bottom of each door, one on the outside of the door, one on the inside, they'll let plenty of air through, but block most of the light. i wouldn't worry about an intake fan after that, and with just an led producing heat, you do not need a 440 cfm fan, but a 4 inch 190 cfm fan would help a lot. you need to vent it outside if you can, not much purpose in venting the cab into the room its in where its just going to suck the same hot air back in. if theres nowhere to vent it outside, then at least put the end of the exhaust by a fan blowing away from your cab.
 
L

Ltfreedom

Member
Roger A. Shrubber said:
if you put two of those grills on the bottom of each door, one on the outside of the door, one on the inside, they'll let plenty of air through, but block most of the light. i wouldn't worry about an intake fan after that, and with just an led producing heat, you do not need a 440 cfm fan, but a 4 inch 190 cfm fan would help a lot. you need to vent it outside if you can, not much purpose in venting the cab into the room its in where its just going to suck the same hot air back in. if theres nowhere to vent it outside, then at least put the end of the exhaust by a fan blowing away from your cab.
Click to expand...


If I end up installing those how much cooler would it be overall
 
Roger A. Shrubber

Roger A. Shrubber

Well-Known Member
i have a 250 watt mh and a 400 watt hps with a 240 cfm booster fan pulling out of the mh, running into the hps, and all of it blown outside by a 4 inch 190 cfm inline fan, and both of my 3x3x6 tents stay around 80, so you should be way cooler than that.

i'm partial to jack herer and sour diesel, jack deals with heat better, but both are pretty hearty with enough water.
all will do a little better with a silica additive, look into that
 
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