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Flowering at what temp should I start thinking add a heater

Locrian99

New member
as the subject says what temp should I start thinking of running a space heater to heat my tent. I’m dipping to 64 now about an 11-13 degree difference from peak. Tent has never gotten above 77. It’s going to hit lows in the upper 20s later this week and not sure where my unfinished portion of the basement will do. And I’m currently dangling my hygrometer from my Light so it sits canopy level, where should you measure the temp in your room as it makes a difference st least for me during lights on. Thanks
 
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Locrian do you have an exhaust fan for your light if so try turning it off before light go out this will warm room up for the night. I also grow in the cellar and its unheated it will get down into sixties and if its really cold fifties. I tried one of those oil filled radiators it worked but doubled my electric bill. After that I said f it and left it alone and its been fine since the worst that happens is they get purple lol
 
I use a high quality ceramic heater in a 2 x 4 x 5 tent. Ceramic is a safer unit that doesn’t use exposed resistance heating coil which I can see as being a dangerous fire hazard left alone. Mine wasn’t cheap, it has built in thermo protection and tip over protection. I use the low setting which is 800 W, a fan in the unit pushes the warm air out. I make sure to place it in a position 2 to 3 feet away from anything in front of it. Never is hot and actually the plastic body stays cool to the touch. Not recommending anything, just what I do.
 
I do not have any direct experience with low temperatures. I imagine if it is too cold for too long it will promote root rot. If I were in that position, I would start running a heater to maintain 60 degrees and higher. I am sure the plant would be able to survive in cooler temperatures but I would not want to take the risk if it is preventable. I would also take the temperature below canopy closer to the grow medium as the canopy is likely to be warmer. This was all hypothetical for me but I think that is what I would do.
QB
 
I use a no-light heat lamp made for reptile terrariums in my grow box set on a timer when my lights are off. I've also used a reptile warming pad with some (though less) effectiveness.
 
I have to run 2 space heaters in my shed.. but u can't use alittle cheap one.. u need one with a thermostat, will def help so it doesn't constantly run keep it just warm enough... Set mine at like 67
 
What temp does your room get down to OJH ? I have to deal with cellar cold issues also. I use a heater presently to keep temps above 67. Havent really figured what it adds to my heating bill yet,Im afraid to look, lol.
 
Well I tried this today. Didn’t baby sit timer though. I don’t see how to post a pic in my reply here so at the bottom I have my results. It didn’t get too cold lol
 
Pic from turning fan off. I had the exhaust fan turn off 10 mins before lights out. 600w hps apparently heats the tent up fast. And air exchange matters. 😀
 

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Yea the rh will jump alot with the fan off, the plants put off heat , I have so many in my 4x8 my room was getting up to 91 with NO heat an NO exhaust in 40 degree weather in a shed.. also the humidity would go thru the roof so had to run the exhaust on low with a heater..
 
They are fine ojh. I thought it sounded like a good idea, now I know what happens lol. This is how we learn right
 
One day of the humidity spiking won't hurt nothin.. I would leave the exhaust on low with a little heater with a thermostat, or could run a dehumidifier ..
 
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