Glass shield are they worth it?

B

bam bam

Active Member
You know how on a really hot day if you park your car out in the sun, inside your car it gets really really hot?

Well car windows have tempered glass but the inside still gets reall really hot.

So I dont know if I should use a glass shield on my reflector. Hot air rises so most of the heat will be at the top of the grow cabinet.
 
Rudiger

Rudiger

Well-Known Member
On a non aircooled reflector? I don't see the purpose of it, if that's what your talking about. You would be basically making a heat box.
 
Mattplusness

Mattplusness

Well-Known Member
with a ventilation setup with it, you can cut the distance your light is from your plants, making it reach to lower places also
 
B

bam bam

Active Member
Rudiger said:
On a non aircooled reflector? I don't see the purpose of it, if that's what your talking about. You would be basically making a heat box.
Click to expand...

Well the reflector will be air cooled, the heat will be exhausted. So are glass shields worth it?

Or should I just get a really power exhaust fan and exhaust the heat from my cabinet? My cabinet is small 50 cubic feet so a good fan should be able to exhaust all the heat.
 
Rudiger

Rudiger

Well-Known Member
I'm still not following. Are you talking about the glass that comes with the reflector? Why wouldn't you use it?
 
B

bam bam

Active Member
so for a small grow cabinet, 50 cubic feet, not using C02 would you gain much from a glass shield?

A strong enough fan should exhaust hot air out of a small 50 cubic feet grow space.
 
Lennard

Lennard

Well-Known Member
Im surprised no one asked what size light it is... That probably makes a huge difference. I know my 600 watt in a 2x4x6 was like 90* and when it got hot outside forget about it. I ran a hydrofarms 6" rat type fan as well. If your grow was in my hands I would try w/ glass on and duct fan pulling air from open vent port on one side of the light, and vent outside the box very common setup. I used C02 so I could not try it that way.
 
BigBudBalls

BigBudBalls

Well-Known Member
IF the hood/reflector is being cooled via a fan, then use it. If you aren't actively cooling your light, then remove it.

Also keep in mind that even a sealed cooled light will still add heat to the room. Radiated heat will get through the glass (think about that big orange thing in the sky during day time. Its sending 'power' across a vacuum)
 
BigBudBalls

BigBudBalls

Well-Known Member
Lennard said:
Im surprised no one asked what size light it is... That probably makes a huge difference. I know my 600 watt in a 2x4x6 was like 90* and when it got hot outside forget about it. I ran a hydrofarms 6" rat type fan as well. If your grow was in my hands I would try w/ glass on and duct fan pulling air from open vent port on one side of the light, and vent outside the box very common setup. I used C02 so I could not try it that way.
Click to expand...
uh, first post states its a 600W'er
(pass that bong this way :bigjoint: )
 
Lennard

Lennard

Well-Known Member
bam bam said:
You know how on a really hot day if you park your car out in the sun, inside your car it gets really really hot?

Well car windows have tempered glass but the inside still gets reall really hot.

So I dont know if I should use a glass shield on my reflector. Hot air rises so most of the heat will be at the top of the grow cabinet.
Click to expand...


Bigbud Am I still missing it ? I swear I read this all the way thru and still do not see the size of the light he is running... I think I need to :spew:
 
Ap0c0leS

Ap0c0leS

Active Member
Would an "AirTight/Glass Shield" 250W light be ok to vent directly out of the tent without a carbon filter? All smell needs to be eliminated via the exaust fan but will any smell leak into an airtight 250W HPS?
 
olosto

olosto

New Member
Ap0c0leS said:
Would an "AirTight/Glass Shield" 250W light be ok to vent directly out of the tent without a carbon filter? All smell needs to be eliminated via the exaust fan but will any smell leak into an airtight 250W HPS?
Click to expand...
If you not using a cabon filter, how are you getting rid of the smell.

As far as the glass for the hood, yea, use it. Ideally you want to have ducting from a cool place drawing air over the glass enclosed bulb then out of the room. It is inefficient to pull the air from the same room to cool the bulb, it kinda defeats the purpose. Look at these pics, you want to do this on a small scale...

If you see the air is pulled into the room via the front ducting, goes into the hood, out the exhaust and exhausts into another room. Its a closed system so no smell gets out.
 

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Ap0c0leS

Ap0c0leS

Active Member
of corse i have a carbon filter for the exaust... im just thinking with a sealed tube i can just pull air from the left of the tent through the bulb and then out the right without a filter because it is airtight, and that = no smell... correct?
 
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