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250w HPS users....

SkunkyDemon

Member
BL4ZE20 I think that using a cooltube will work great. Just as long as you have enough air running through it. Do a test run when your done just to make sure that it cools enough.
Peace
 

WESTCRAZY1

Member
Im in the process of getting a grow box built, i was wondering will this measurement for the grow box be suitable for a 250w hps or is it to small? the measurements is 36.25" tall, 26.5" long and 14.75" wide.
 

VerdantGreen

Genetics Facilitator
Boutique Breeder
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My cab is about 55 inches in height however some of that is taken up by my s&p so we'll say 45in of growing space, 22 inches wide with 12 inches of depth.

whether or not you could get away with it, a 250 would be wasted in that size cab.

if you are looking for yield then you want at least 2x2foot for a 250 - probably a bit bigger. check my grow diary - you need space to get the buds in there ;)

V.
 
I

Iron_Lion

2x2 is about perfect, I have a 5 sq foot tent (20x36) with a 250 and one side of the tent behind the bulb doesnt seem to get enough light.
 

BL4ZE20

Member
whether or not you could get away with it, a 250 would be wasted in that size cab.

if you are looking for yield then you want at least 2x2foot for a 250 - probably a bit bigger. check my grow diary - you need space to get the buds in there ;)

V.

Hmm well that sucks!
I've gotta find a way to get my yield up, but i'm stuck with this cab for now, until I get moved.
 

VerdantGreen

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dont get me wrong, if you can get keep the environment good then you will get more yield with a 250 in your cab - but you will be using it inefficiently. most people think that the optimum yeild from a bulb will come with 50-60 watts per square foot.
 

guanito

Active member
my cab
250 cmh
glass panel makes all the difference in heat control


bubblegummer day 47

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B

bcell

Nice Bubblegum.Waiting for my Nirvana Bubblicious beans. What is the source of your Bubblegum?
 
B

bcell

Nice Powerplant.

Just picked up a Sunleaves 250 mini today with glass plate. It can run both HPS and MH. I took an extended break from growing - psyched to get back.
 
B

bcell

The funny thing - this thread has been going for 4 years - longer than my 3 year break from growing!
 

Sirpuffsalot

New member
Hey guys I'm Setting up a small veg only box I was thinking a cabinet 2ft. x 3ft x 4ft high. 1 250 MH 6" air cooled reflector. A couple of computer fans to cool the cabinet. I would like to get 15-20 sites from clones in 6" pots up 12" tall in about 3-4 weeks. Then they’ll be put in a stadium setup with a 2000 watt cool tube. Ambient temps are not an issue since this cabinet will be in the flowering room. I'm hoping this will be the start of a perpetual cycle. What do you guys think? Should I build it bigger, or do need a bigger light?
 

coneheadSA

New member
Wow you seem too get some decent yields out of those 250 watters i was thinking of putting a 400 in a cab but might just go with one of them because it will save me gettin a cooltube.
 

BL4ZE20

Member
Are any of you guys venting your 250w back into the same room as the grow?. If so what's your setup like IE - cooltube or not, cfm of your fan/fans, ambient room temperature and cab tempertures etc. Just trying to get an idea if I could run a 250w without venting the heat into a seperate room. I'd greatly apprecaite any info
 

guanito

Active member
i vent into the same room but it's a basement and cool most of the year.
i have a simple cheapo reflector and a pane of glass i found on the street.
without the glass the temps would be 10-15deg higher.
i use a small fantech on a speed control at lowest setting.
puter fan on the bulb and one as active intake.
temps run on low side 71 - 76deg with lamp on.
lamp off it goes down to 60deg. good for purpling.

running some purple wreck crosses now so we shall see
meanwhile here's a bubblegummer at day 56
this one in a quart pot

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