Tent heat.

[Ptpballa2]

I’m a beginner grower. This will be my first grow. Using a 2 in 1 36x24x53 grow tent. Im using a mars hydro t1000 and a old mars hydro 300. Need help controlling heat build up.

 

[THT]

Add a decent duct fan and try to pull in cool air near the bottom, circulate air throughout and across the tops of the plants, and exhaust near the top.

 

[TheSadBadGrower]

^^^ this

 

[TheSadBadGrower]

How hot is it....those lights dont throw off much heat.

 

[tiltswitch]

you shouldnt have much of a problem really,the heat given off those lights isnt that great so a 6 or even a 4 inch extraction will do the job,i run practically all my grows at night which helps with heat,extraction more important than intake.try to vent to an open window if you can

 

[Ptpballa2]

Add a decent duct fan and try to pull in cool air near the bottom, circulate air throughout and across the tops of the plants, and exhaust near the top.

I have a 4 in ac infinity carbon filter in the larger side. Duct coming out to a T. Then I have just duct coming from out the second room connected to the other end of the T. Then I have a 4 in ac infinity on the end of the t pulling air from both tents.

 

[Ptpballa2]

Temps in

you shouldnt have much of a problem really,the heat given off those lights isnt that great so a 6 or even a 4 inch extraction will do the job,i run practically all my grows at night which helps with heat,extraction more important than intake.try to vent to an open window if you can

My home temp is reading 75-80 degrees in the day time. 70-68 at night. I live in Texas! My grow is upstairs and can’t be moved. But thermostat is set to 70-71.

I do not have a intake fan pulling air in I was looking to get one but was trying to control it before I invested into one. The 2x2 side is reading 88-90 during day time which that will be the flower side. I have those scheduled to come on from 12pm-12am and the smaller side is running from 9pm-3pm. It’s showing 88-91 in day time and a little cooler at night

 

[Ptpballa2]

How hot is it....those lights dont throw off much heat.

If I have the exhaust fan on I can get both room down to about 81-82 room temp 77 but home ac set for 70-71

 

[tiltswitch]

yeah you want it below 80 if poss...tgouhh some strains can handle high heat

 

[Doliz]

I'm debating cutting out a square to vent some heat into the attic myself. Not much of a handyman but it can't be too hard.

 

[DustBomb]

run it at night? ambient temp is everything. summer grows always sucks for heat issues

 

[coreywebster]

If I have the exhaust fan on I can get both room down to about 81-82 room temp 77 but home ac set for 70-71

Yep run at night and the off period in the hottest part of the day.

81-82 is fine for LED.
Duct your heat out the window.

 

[Powertech]

Seems to me with LED's they like a bit higher temps anyway...….could just be bro science stuff but when I tried running around 75, they were no where near as happy as running around 82

All depends on your humidity levels too i think. Being you are inside indoors, not in a garage like me, your levels are likely pretty low and maybe they do need lower temps

 

[coreywebster]

Seems to me with LED's they like a bit higher temps anyway...….could just be bro science stuff but when I tried running around 75, they were no where near as happy as running around 82

Me too, though in flower they don't mind so much below 80, in veg it caused me a lot of problems been less than 80.

 

[ComfortCreator]

Sometimes a very small clip fan blowing over the power supply and towards the exhaust lowers the temp a lot. Think where the heat comes from and gently push it up and out

 

[Ptpballa2]

yeah you want it below 80 if poss...tgouhh some strains can handle high heat

I have everything set up with the heat and humidity. I’m running a avg of 77 Temp and 57% humidity. Second week of seedling. I’m running gg#4 x zkittles #g13 and granimals bag seed. Everything looks good so far. Gave them their first feeding 2 days ago and they took off. Using FFOF. and Jack 3-2-1

 

[Ptpballa2]

yeah you want it below 80 if poss...tgouhh some strains can handle high heat

Pix from yesterday.
My concern is with the GG I think my light was to low and the leaves began to curl and I got a small burn on the tips. I raised the light and they began to turn back down. So we will see

 

[Ptpballa2]

Yep run at night and the off period in the hottest part of the day.

81-82 is fine for LED.
Duct your heat out the window.

I duct through the wall to the attic. Temps are in control now just that GGxZ had some issues with the low light so I raised it.

 

[Ptpballa2]

Me too, though in flower they don't mind so much below 80, in veg it caused me a lot of problems been less than 80.

Can you tell me what’s the issue that’s going on here? The GG#4 kinda slowed down growing and I’m not sure as to why! Could I have stunned it with the light stress? I have the ts1000 set at 75% and 40 inches above the plants now, but before they were 14 inches away. The other 2 are not bothered just the GG#4. Those are nutes on the leaves from foliage spray. Nutes coming out 6.5 PH and 515 PPM using FFOF and PH at 6.5 also!

 

[coreywebster]

Could be the lights were previously too intense, could be they are concentrating on rooting out that pot, I wouldn't be feeding them nutrients at this point, let the ffof provide the feed.
When you water make sure your not letting them sit in the run off or they will be too wet too long stunting root growth.
Let them dry out between waterings, feel the weight of the pot to judge.
Don't foliar feed nutrients unless they are designed for foliar like kelp or magnesium sulphate.

Don't think there is anything major wrong with them.