brainzfuxed
Member
Trying to maximize my grow space guys. 6inch is just too much for 3x2 area. Is there a 4inch cool tube out there?
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Is there such thing as 4" cool tube for 400w hps
- Thread starter brainzfuxed
- Start date
Yep look on eBay they use them for baking bread
brainzfuxed
Member
Can you elaborate? Is it already pre built or do I need to build it myself
Scratch built for a 150W, but will fit a 400:
The glass tube is called a bake around. ebay or yard sale is only source.
The glass tube is called a bake around. ebay or yard sale is only source.
brainzfuxed
Member
Do you think a 400hps would be too hot for this?
Why not just use a reducer from 6" to 4" on both sides of the 6" cool tube? The little bit of size increase from a 4" cool tube to a 6" cool tube, should matter. As the plants wont be that lose to the cool tube anyways.
I think you're in mostly uncharted territory. You could set it up like a test bench & fire up the whole tube/light/fan combo in the middle of a concrete floor, see what happens. If it goes wrong, cleanup is easy.
St. Phatty
Active member
I needed some 2 inch diameter quartz glass for a little chemical engineering set-up.
Got it from a place that does ornamental glass everything. Part of their working stock I guess.
4 inch diameter is a little large for glass tube but it's out there.
Are there any good designs that use acrylic tube to help cool ?
Got it from a place that does ornamental glass everything. Part of their working stock I guess.
4 inch diameter is a little large for glass tube but it's out there.
Are there any good designs that use acrylic tube to help cool ?
No, the 150w I used in this rig always stayed within ambient
temp + 5-7 degrees F.
Two fans.
This tube pulled ambient and had a separate exhaust outside
the grow area.
Never over 90 degrees F 4" from glass in a non climate controlled
area. I could hold the tube in my hand easily after the lamp was
at full power.
With a 400w in a area that has climate control, I believe it
would perform well, just don't lick it, lol.
But like jhhnn says, bench test to check for errors.
Alright Brainzfuxed,
Have you look at Greens/hydroculture 5" Goldstar air cooled hood? My footprint is approx the same as yours and I have to say it's tight but hooked up two 90 bends at the intake/output to ensure the ducting remains open and got 6" accoustic ducting - as said all in it's tight but seems to be working - it says on the leaflet the hood can handle 600w.
Cheers
Have you look at Greens/hydroculture 5" Goldstar air cooled hood? My footprint is approx the same as yours and I have to say it's tight but hooked up two 90 bends at the intake/output to ensure the ducting remains open and got 6" accoustic ducting - as said all in it's tight but seems to be working - it says on the leaflet the hood can handle 600w.
Cheers
