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8 inch custom cool tubes suppliers?

Hey guys designing a new room and i need a place that i could order tube glass the same as the 8 inch cool tubes. My problem is there is no right size for the length, so i wish to custom make my own tubes. So i thought i would put out the feelers here in the comunity to see if anyone knows any places that supply just the tubes and/or cut to size.


thanks
 
no one knows?

there must be places that sell the tubes used for the cool tube type reflectors. I just do not want to run 6 inches because i find it restricts the air flow too much.

please help me search, as i am a bit older and not up on the in's and outs of searching the web for stuff like this.

P.s. i have found pages that are from asia, but they require like 100 tubes + to be ordered.

any help would be more the welcome.

thanks
 
G

Guest

WHY must you have cool tubes? other than they are cheaper (and much less effective) than air cooled reflector hoods? Give some serious thought to this.............I am an old fart too and detest wasting hard earned money on less than efficient equipment.

Invest in "sharp" tools for a "sharp" and precise outcome or suffer the fate of so many that shoestring their grow and spend more time complaining in the forums as to why the grow isn't performing well.

I would add though that cool tubes (although not commonly used) do a pretty good job in vertical stadium grows where the light radiates 360 degrees and evenly applies to all plants in the cylindrical grow arrangement.

TyStik
 

hoosierdaddy

Active member
ICMag Donor
Veteran
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i want cool tube type reflectors because they WILL be hung vertically.

as for the bake around tubes, i am not looking for the cheap solution, besides they are even smaller in dia... i am looking for 8 inch tubes.

simply put i am looking to make up tubes that are 36 inches in length. i want to be able to put 2 1000 watters in each tube. 2 tubes will be used for a total of 4000 watts covering a vertical hight of 6 feet. This is why i wish to push more air through them.

i am looking to buy the raw glass tubes cut to size. Money is not a concern, but like all people i want quality for a reasonable price.

is that clearer now? lol

sorry for any confusion.

any idea's
 

doolmore

New member
Have you checked with any type of head shop in your area? I have talked to a few and they said that there supplier for glass blowing can get pretty much any size up to 12" I think it was for a very reasonable price sold by the foot. That is an option to think about also.
 

Sleepy

Active member
Veteran
wormsway.com has a 'maxtube', but it has a built-in reflector, i see you intend to hang yours vertically.

sorry. :badday:
 
T

texsativa

Uncle FREEDOM said:
i want cool tube type reflectors because they WILL be hung vertically.

as for the bake around tubes, i am not looking for the cheap solution, besides they are even smaller in dia... i am looking for 8 inch tubes.

simply put i am looking to make up tubes that are 36 inches in length. i want to be able to put 2 1000 watters in each tube. 2 tubes will be used for a total of 4000 watts covering a vertical hight of 6 feet. This is why i wish to push more air through them.

i am looking to buy the raw glass tubes cut to size. Money is not a concern, but like all people i want quality for a reasonable price.

is that clearer now? lol

sorry for any confusion.

any idea's

I would think the air moves quicker through the smaller diameter tube...quicker air movement pushes more heat out...with the larger tube, there is less resistance, but slower velocity.
 

hoosierdaddy

Active member
ICMag Donor
Veteran
I agree, texsativa. That is why I say that the device used to create the airflow is the real restriction. IMO, it is much better to sink the high dollar into more CFM.
 

DIGITALHIPPY

Active member
Veteran
hoosierdaddy said:
11-3/4" hurricane style lamp shade (Avail. at Hobby Lobby and on-line)
http://www.craftsetc.com/store/item...&IsOnSale=0&IsFeatured=0&IsNew=0&ItemId=72804

10" cylinder (similar to Bake-o-round) on-line purchase
http://www.save-on-crafts.com/glcycash10in.html

Both of these are about 5" dia openings. The old Bake-o-rounds were like 3-3/4",
If you are looking for a larger dia tube, good luck.

The device creating the airflow is the restriction, IMO.
dude that shit is sooo ghetto. ITS ACTUALY SMALLER AND LESS EFFICANT then a 6'...5'...not 8'....how ghetto..lol
Ty-Stik said:
WHY must you have cool tubes? other than they are cheaper (and much less effective) than air cooled reflector hoods? Give some serious thought to this.............I am an old fart too and detest wasting hard earned money on less than efficient equipment.

Invest in "sharp" tools for a "sharp" and precise outcome or suffer the fate of so many that shoestring their grow and spend more time complaining in the forums as to why the grow isn't performing well.

I would add though that cool tubes (although not commonly used) do a pretty good job in vertical stadium grows where the light radiates 360 degrees and evenly applies to all plants in the cylindrical grow arrangement.

TyStik

my thoughts exactly, ann 8 radiant or coolsun or daystar would work very nicely.
texsativa said:
I would think the air moves quicker through the smaller diameter tube...quicker air movement pushes more heat out...with the larger tube, there is less resistance, but slower velocity.
thats entirely dependent of the fan. a 10 canmax wont be able to push 800=cfm through a 6inch tube, but an 8 inch itll get more like 600-700cfm rather then a punty 4 or 500 cfm, with restrictions etc from bulbs and bracings, cords etc.
 

Kr@kEn

Member
Yeah, I wouldn't be so concerned about the width of the tube itself unless you are using a big ole Metal Halide bulb. But if you are using HPS, a 6 inch should be sufficient. You can cool a 600w HPS in a cheap 6 inch hydrofarm cool tube with as little as a 265cfm fan. That's what I'm using and it works fine, although my grow is the standard horizontal grow.
That's the beauty of using efficient equipment. Cool tubes are aerodynamic and require less air movement to cool. I've see folks use the 6 inch tubes in vertical grows too, they just remove the internal reflector. Not a lot of mechanical skill needed.
 
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T

texsativa

DIGITALHIPPY said:
thats entirely dependent of the fan. a 10 canmax wont be able to push 800=cfm through a 6inch tube, but an 8 inch itll get more like 600-700cfm rather then a punty 4 or 500 cfm, with restrictions etc from bulbs and bracings, cords etc.

I disagree, but I may be wrong, fluid dynamics is not really my thing.

But say for instance you use the same fan, I think the flow will be faster through the smaller tube. The thinner tube will have more resistance because of its diamater, but the free space where air can move, will be moving really quick, sweeping that hot air away.
 

hoosierdaddy

Active member
ICMag Donor
Veteran
Hippy, the term "ghetto" irks me. What do you mean by that...something you aren't using?
Look, the hurricane globes do have a smaller volume of flow than the opening, due to how they are constructed, but the second one I listed is a 5" dia cylinder. More opening than the famed Bake-o-round that has been used by many folks with great success.

At any given CFM, the volume of flow is restricted by the path of least resistance. In this case the smallest diameter of the passage way. But even the smallest flow orifice can be compensated for by increasing the CFM. In other words...if I am pulling 500 CFM through a 6" tube, I can pull the exact same CFM trough a smaller diameter tube by simply increasing the power of the fan. It is simply dynamic fact.

Now, what is "ghetto" to me, is spending over $150 for a tube set-up, when I can do the same thing for under $25. I can buy a pretty nice fan for $125 and I have all I need. You spend $150 for some hydro shop overpriced tube, and you still need a fan.

No matter what tube orifice you are using, you can achieve the very same CFM with all of them. But, I can get the light closer to my plants with a 5" tube than the man with the 10" tube can, no matter what he does.
 
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