Switching from led to hps heat is a bit much

Cannabis_king · Feb 10, 2020

twalte said:
Perhaps this will help. I stole this from another post a while back as I found it informative.
View attachment 4476138

Might just buy a air cooled tube but it will take a while to get to me and I don’t have the money atm

twalte · Feb 10, 2020

An air cooled hood would make a big difference. Here’s how that would look inside the tent.

myke · Feb 10, 2020

Cannabis_king said:
Do you have a photo of the way you got it set up just so I can see?

No not really. But pretty easy to do the key is have the sucking hose right by the bulb/socket.

JimmiP · Feb 10, 2020

Cannabis_king said:
Do you think One of these will help quite a bit?

Number 4 will help you for now. Just take the hose and attach it with wire or good zip ties right next to the socket at the back of your reflector. I did it in my 4x4 and temps stayed at 79-81 degrees Fahrenheit.

Clumpyoyster · Feb 10, 2020

Cannabis_king said:
Ok so today I brought a Vivosun 600w hps light to replace my 3 150w leds which were not the best lights by any means I didn’t buy them had them given to me so I have switched to the 600w which holy shit is a whole lot better but it’s getting pretty hot in my tent hitting 32 degrees Celsius and I’m a little worried just for some back story I’m in week 7 of flower with my white widow photo and week 1 or so of flower with my lemon haze photo and was just wondering if anyone had any advice I put a fan blowing directly into the hps bulb and have 2 other fans in my tent not sure what else I can do don’t have the money to go get a mini aircon or anything jarrastic so if it does get bad and as a very last resort I might have to switch back to the leds I did have a friend who was growing during flower with up to 39 degrees Celsius but it wasn’t every single day then again he didn’t do to bad nothing bad happened so any advice would be appreciated

You have a few options. The one I use is intake/exhaust fans running 24/7. I'm constantly bringing in fresh cool air in and removing hot air. The tent always has fresh air and I run unsealed reflector 600w HPS and a 300w led cob. My heat is perfect which is mainly controlled by variable fan speeds. I am running 4" intake/exhaust but will have to increase cfm and fan size in order to add another hps and get rid of the led altogether.

Your other option is get a vented sealed hood for you hps light. Most come in 6" so in order for me to hood my lamps I need to replace two fans and hoses.

JimmiP · Feb 10, 2020

Clumpyoyster said:
You have a few options. The one I use is intake/exhaust fans running 24/7. I'm constantly bringing in fresh cool air in and removing hot air. The tent always has fresh air and I run unsealed reflector 600w HPS and a 300w led

Your other option is get a vented sealed hood for you hps light. Most come in 6" so in order for me to hood my lamps I need to replace two fans and hoses.

Or use a 6in to 4in reducer. Then you can use the 4in fans.

Clumpyoyster · Feb 10, 2020

twalte said:
An air cooled hood would make a big difference. Here’s how that would look inside the tent.

View attachment 4476144

That solar system light throw off that much heat?

twalte · Feb 10, 2020

Clumpyoyster said:
That solar system light throw off that much heat?

Sorry.....the Solarsystem UVB lamp is hanging in front of a Sun System Blockbuster hood. It just looks that way in the photo.

Cannabis_king · Feb 10, 2020

myke said:
No not really. But pretty easy to do the key is have the sucking hose right by the bulb/socket.

Like this ?

Hugomadd · Feb 10, 2020

Can't go wrong with VivoSun. Just picked one up myself. And indeed...they can run a bit hot. I'll run a 6in. 470 cfm duct fan through my hood, pulling from outside the room. Hope you manage to pull through this predicament.

myke · Feb 11, 2020

Cannabis_king said:
Like this ?

Uh no,thats a small fan.

Cannabis_king · Feb 11, 2020

myke said:
Uh no,thats a small fan.

It’s a inline fan mate just not that big

myke · Feb 11, 2020

Cannabis_king said:
It’s a inline fan mate just not that big

No hose hooked to it?to vent heat out of the tent.

Cannabis_king · Feb 11, 2020

myke said:
No hose hooked to it?to vent heat out of the tent.

Yeah I got it all hooked up with my carbon filter outside of my tent

myke · Feb 11, 2020

Cannabis_king said:
Yeah I got it all hooked up with my carbon filter outside of my tent

cool ,is it helping?

SmoltimeGrow · Feb 11, 2020

Cannabis_king said:
1x1 meters

Lol, I read it as 1x1 feet first and thought “good luck bud; you’re lucky it’s not 100 degrees Celsius in there hahah

Gond00s · Feb 11, 2020

With heat being a main problem I just don’t grow during the summer during that time I just focus on life

JimmiP · Feb 11, 2020

Cannabis_king said:
Like this ?

I would put the fan outside of the tent, right on top of the filter. Fans make a little heat too.

Tommy_Bahama · Feb 11, 2020

twalte said:
An air cooled hood would make a big difference.

My 1000 watt air-cooled HID fixture produces less heat inside the tent than my HLG 260 LED fixtures. At the canopy and above the fixture.

Smartergrowing · Feb 11, 2020

This is a 1000w hps in a 2x4 with a 6" 410cfm fan no carbon filter and canopy temp is 74°F while light is on it just pulls air from the vents in the bottom through the light hood and out

Switching from led to hps heat is a bit much

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