Treebeard88
- 23
- 3
Current scheduleRun your lights at night during summer!
Got 2 screens onbe sure to put a screen on your intake, pests find ways into your grow, make it hard for them...
Can't seal 100% unfortunately, that was the original planIf you can seal it 100% you can use CO2. Then your high temperatures won't be an issue. Or just run some duct fans. Have the intakes drawing from the coolest part of the house.
Will look into this, this is for extraction/outtake?Toss in an extra 8" vivosun duct fan. Cheap. Pretty quiet. Mines been on straight for like 4 years.
Well I'd set one up as an an exhaust. With my air intakes taking cool air from the basement through a filter. And add more exhaust fans and intake pipes if you need to. If the grow space has positive pressure moisture and odor leak out. So I prefer all my fans setup for negative pressure. Except when the fan is cooling the bulbs in an air cooled hood. Then I want my duct fan blowing cool air through the lights.Will look into this, this is for extraction/outtake?
Would you upgrade intake as well?
My original calculations are off on first post I will edit tomorrow with the correct CFM/m3h
Treebeard
VIVOSUN 8 Inch Inline Duct Fan, 740 CFM Ventilation Fan with Variable Speed Controller for Grow Tent, Indoor Garden Ventilation, Black https://www.amazon.ca/dp/B01CTM0LLO/ref=cm_sw_r_awdo_W77J0N2P58MGAS48BGGRWill look into this, this is for extraction/outtake?
Would you upgrade intake as well?
My original calculations are off on first post I will edit tomorrow with the correct CFM/m3h
Treebeard
Believe it or not you are making the problem worse by adding insulation. The heat is coming form the lights and with additional insulation it cannot transfer thru the walls and ceiling as easily. Myself I prefer a passive intake, ideally from outside air and forces ducted exhaust. The problem you are having is partly due to the insulation you have added because it works both ways.Evening all
My first in door grow in the loft is happening as we speak
I will run into heat issues soon I think, at moment plants seem ok apart from I messed up on 1 tank nute wise but now seems ok
Peak heat has hit 32c & it is only May. In July/August I imagine this will increase
I have used a lot of insulation & the room is pretty much sealed but not 100% but the issue seems to happen when lights are on, when off not so much a problem at all
@ 09:27 out side was 13.6C - inside room was 29.1C and light had been on for 3 hours. If I open door this issue goes but ideally I don't want to do this
I am using a 1000W LED
RVK 100 A1 intake - 184 m3/h
RVK 125 L1 outtake - 323 m3/h
I think the only way round this is to increase the power of the intake + outtake - as outside @ 09:27 was 13.5c, surely bigger fans would work?
After doing some research apparently an outtake of 1756 m3/h & intake of 1473m3/h would be plenty and I would buy a speed controller so in winter I would turn the power down as this issue wouldn't happen. The room size is approx 2230 x 3440 x 2010 & that is being generous - are those m3/h readings way to high?
Any advise would help an in door newbie
AC is a no no - heard portable are crap & not investing in split unit for the loft lol
Treebeard
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