Thread: 5/6 inch Cool Tube & 4 inch Fan/Filter

Hi there, I've set up a budbox and the temps are getting a bit too high so I think the best way to go would be to get a cool tube. Recently I bought a 4 inch fan/filter but now that I'm in the market for a cool tube, they all seem to be 5 or 6 inches! Would it be ok to just use my 4 inch fan with this cool tube, I could duct-tape my existing ducting on there somehow: http://www.basementlighting.com/Merc...age=1/PROD/RE6

I know there are guides and I could make my own but I'm useless at all that stuff. Anyway, any thoughts?

they make 6in to 4in reducers i bought one last week for my cab it was 5.00 at home depot

Cool, cheers invision! Don't have a home depot but I'll find it somewhere!

Scroll down on the page you just pasted man

Haha, sorry I'm having a dumbass day obviously! I had a few too many drinks last night

iv never seen them in 5" just 4 and 6"

i have a 6" with a 600w hps bulb in it, it keeps it so cool i can touch the bulb after it ru nning for 12 hours

are yo uinthe market for a bake a round pyrex tube to make your own?

I HAVE A 4X4 ROOM 1 HAVE 3 6" TUBES 0N 2 4" FANS 1800w

Originally Posted by mellogold

iv never seen them in 5" just 4 and 6"

i have a 6" with a 600w hps bulb in it, it keeps it so cool i can touch the bulb after it ru nning for 12 hours

are yo uinthe market for a bake a round pyrex tube to make your own?

I NEED A 6 TO 8 FOOT 1 PIECE PYREX FOR COOL TUBE

CAN YOU HELP

I PUT 3 TOGETHER HAS LIGHT VOID AT CONECTIONS YOU KNOW

This is a 6" cooltube with a 1000 watt, being pulled by a 4" fan. It is sufficient enough, but we are finding how important it is to correctly route your ducting. 90 degree hard elbows seem to make a difference. The closet is fed by another 4" fan.

Originally Posted by Racerx

This is a 6" cooltube with a 1000 watt, being pulled by a 4" fan. It is sufficient enough, but we are finding how important it is to correctly route your ducting. 90 degree hard elbows seem to make a difference. The closet is fed by another 4" fan.

it took me some time to get the bugs out with the venting no turns sriaight runs i use 2 4" fans 1 push 1 pull and it keeps 3 600s perfect

Originally Posted by CLOSET KING

I NEED A 6 TO 8 FOOT 1 PIECE PYREX FOR COOL TUBE

CAN YOU HELP

I PUT 3 TOGETHER HAS LIGHT VOID AT CONECTIONS YOU KNOW

na cant help with that, i have a bake a round pyrex tube never u sed im trying to off...lol

i bought one of those 6" cool tubes liek the ones on flea bay but i still cant seem to keep my damn 1k hps cool no matter what i do....lol

having such a large cool tube serves for what purpose!
having a vertical lamp on a horizontal grow serves what purpose!
with all cool tubes it best not to reduce the flow by fitting under powered fans! it would defeat the object of having the cool tube in the first place!
the 6 inch tubes are for 600 watts or more the 5 inch 125 mm is for 250's or 400's ,the difference ,,,,,the bigger lamps NEED the extra cooling!!,,,eg, bigger extractor larger tubes!
i would invest in a 650 meter cubed RVK inline extractor to match a 6 inch cool tube and a 600 watt bulb! keep it horazontal if thats the way the grow is set up! side light sucks,and are only good as supplementary light for trees!
use the lamps canopy penetration to penetrate the canopy!
good luck


welcome to the world of endless possibilities,,,,hydroponics

Originally Posted by mistyganjatree

having such a large cool tube serves for what purpose!
having a vertical lamp on a horizontal grow serves what purpose!
with all cool tubes it best not to reduce the flow by fitting under powered fans! it would defeat the object of having the cool tube in the first place!
the 6 inch tubes are for 600 watts or more the 5 inch 125 mm is for 250's or 400's ,the difference ,,,,,the bigger lamps NEED the extra cooling!!,,,eg, bigger extractor larger tubes!
i would invest in a 650 meter cubed RVK inline extractor to match a 6 inch cool tube and a 600 watt bulb! keep it horazontal if thats the way the grow is set up! side light sucks,and are only good as supplementary light for trees!
use the lamps canopy penetration to penetrate the canopy!
good luck


welcome to the world of endless possibilities,,,,hydroponics

if you are refering to my 1k cooling issues...lol

im running a damn 1000cfm cage fan on it and it still doesnt keep it cool ......i need more space is the issue