Cold Growroom

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Burnt Bud

Member
Hey all,

Winter is upon us and temps are dropping quick.

At the moment I use a 800w oil radiator to heat the room my grow box is in. Growtent is 4 x 2 x 6. I only use a 400w light so it seems silly to use more w on heating the place up when the lights are off :(.

Just threw my girls into flower and was wondering if using a tubular heater would be better? It would mean I could place it in my actual grow box instead of the room my grow box is in. It would be a 3f 135w one. At the moment my temps are 60-61 when lights are off.

Lastly do tubular heaters give off any light whatsoever that could disrupt flowering? I have tried looking for the answer but maybe it is so obvious noone needs to ask it but me :lol:

Thanks all for your help!
 
corners

corners

Well-Known Member
if it glows orange, i think its infrared, but could be more. Id say get a small ceramic heater maybe. Small heater should work fine in a tent.

Is it 60-61 lights off with the oil heater on?
 
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Burnt Bud

Member
corners said:
if it glows orange, i think its infrared, but could be more. Id say get a small ceramic heater maybe. Small heater should work fine in a tent.

Is it 60-61 lights off with the oil heater on?
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Yeah it's 60-61 with the oil heater on, but it uses so much elec for only a small gain of perhaps 5degrees cause i have a very poorly insulated room, and cold enters from below it. Imagine it as a treehouse grow, basically underneath the room is just air so basically all of the walls are exposed and you can actually feel a draft in there, which is why i think putting a tube heater actually inside the tent would be so much more beneficial and less wasteful.

Thanks for the help buddy!
 
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hydrolife

Member
Im asuming your house is on a crawl space. Might be worth it for you to get under there and insulate the floor joist will help a ton with cold going threw floor just my 2 cents
 
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Burnt Bud

Member
hydrolife said:
Im asuming your house is on a crawl space. Might be worth it for you to get under there and insulate the floor joist will help a ton with cold going threw floor just my 2 cents
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Ah thanks man, I will definately try insulating, but best I can do is probably put down loads of bubblewrap tap it to the floor and then lay some carpet over it, unfortunately i won't be able to do that till next grow as I am in flower now with a scrog :( and can't move anything as my space is really tight as it is. I won't be able to insulate under as underneath the room is about a 12 foot gap until the ground and people will be able to see if I insulate on the underside. Damn these cold winters :(
 
hempknightt

hempknightt

Active Member
I assume your already running your lights at night when its coldest? That the best way to fight low temps but if it still gets too low ceramic heaters are good, I actually think electric heaters use less electricity weird as it sounds.

Aside from insulating the whole room you can do what i did which was just throwing emergency blankets/insulation over your tent. You can find them anywhere super cheap like 10 bucks and it just keeps the tent insulated from the cold ass room.
 
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Burnt Bud

Member
hempknightt said:
I assume your already running your lights at night when its coldest? That the best way to fight low temps but if it still gets too low ceramic heaters are good, I actually think electric heaters use less electricity weird as it sounds.

Aside from insulating the whole room you can do what i did which was just throwing emergency blankets/insulation over your tent. You can find them anywhere super cheap like 10 bucks and it just keeps the tent insulated from the cold ass room.
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Ah yes running lights during the night, I find it sad though, not as much time to stare at the ladies :( I was thinking of a ceramic heater but don't they run in the 1000w-2000w area, so it would cost a lot to run for 12 hours, or even 6 hours if I had it timed to only come on every 30mins.

Awesome idea about the emergency blankets I will definately look into that, might even line the room with it as it isn't that bad. So basically just drape the blankets over the tent, obviously not covering the intake/outtakes?

THanks for the help buddy :)
 
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bigbud2012

Active Member
place a fire proof board down and then use a heatmat under your plant pots at a set temperature of your liking stop messin around with heaters ull dry ya plants to death as i did when i done my first ever grow with a oil radiator lol
 
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Burnt Bud

Member
socalkushgenetics said:
Whats the optimum temp????
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No idea really, first grow, done a bit of research into blue mystic, colder, bigger temp change = bluer, but mine are floating at 61-62 at their lowest to 79 at its peak. Just took a peek after the first day of 12/12 and they seem to have stretched a bit and look a lot healthy, probably also due to me watering them yesterday after a lengthy drought xD
 
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Burnt Bud

Member
bigbud2012 said:
place a fire proof board down and then use a heatmat under your plant pots at a set temperature of your liking stop messin around with heaters ull dry ya plants to death as i did when i done my first ever grow with a oil radiator lol
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Ah that is a good idea, I thought about heat mats before but how much weight can they stand, girls are in 5 gals and also is there no risk or fire using them? Whenever i look at them on ebay they always say that using for a prolonged period or some other reason can cause a fire? Maybe I have been misinformed, but thanks for the idea any particular brands you can suggest for reliability and awesome heatingness? Run off trays for each pot are 53 cm so something covering most of that would be ideal :)
 
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Burnt Bud

Member
Hey guys also just wondering if anyone knows definitively whether tubular heaters give off any light (visible spectrum or not) that will affect the girls in flowering? Thaaank you!
 
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