OMG

Why use a computer fan? Is it because you have one lying around? You pick up a good bathroom ventilation fan very cheaply and they'll wire straight into the mains. Just a thought!

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OMG
Professional Smug Druggler

"The journey began with his laying hands on the highest grade ganja any man could possibly score, and rolling a joint the size of a prairie dog. He would soak the joint in Afghani hash oil, a bottle of which he always kept handy, and hang it in the sun to dry. Picking it at just the right moment, Reed would fire it up and smoke it until nothing but ash remained. That was how he started his day. For anyone smoking with him, it signaled the end of the day." - "Smokescreen" by Robert Sabbag

My first grow - what a shambles!- FINISHED
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buzzy203

im using a huge old cpu fan and its wired straight to the mains... just cut the female end off an extension cord, and soldered the wires on, then heatshrink and silicone to seal it...

it was done by a technician at my uni, so i assumed it was safe

ambigu/us

i like omg's way of connecting the bathroom fan rather than the computer fan, less of a hasel i think

St0ney

Computer fans are only 12v so no risk of shock or fire.. They are quieter and cheaper and push plenty of air. Why NOT use them?

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choader

How most controllers control speed is to reduce the voltage. You have to be careful lowering the voltage too much outside the operating range of the fan. Many will operate from 8-12V. Most chargers are 9V or 12V.

Good luck.

Choader

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WhizzaWasWasted

Hey Stoney (or anyone that can help), can you get a fan speed controller for a 250mm bathroom fan? Im not to sure on using a dimmer. (read quite abit about those blowing the motors!!).

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ColorfulCartoon

i think bathroom fans are too loud (at least for my situation) comp fans are the way to go if you dont need to filter. Im growing in a rubber maid box with one computer fan hooked up through the wall. before i did this i had tons of moisture inside (little water droplets). After the place was dry and well circulated

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THC-elf

on my fan setup i had to match the voltage on the cellphone recharger to the voltage on the fan. thats the oonly way i could get it to work.

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See, I think drugs have done some good things for us, I really do. And if you dont believe drugs have done good things for us, do me a favor, go home tonight, take all your albums, all your tapes, all your cds, and burn em. Cause ya know what, the musicians who made all that great music thats enhanced your life throughout the years...r-r-r-r-real f-ckin high on drugs. -Tool
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C-Town

Well, the fan motor would have to be capable of running at variable speeds. Otherwise, you'd be putting too much stress on the motor, eventually causing failure.

Beener

I decided to bring this post up again, because there may be many out there that are looking for an inexpensive and easy way to build and cool a clone veg cab, or in my case, plastic tub set-up.

I am in the process of building some clone veg. chambers (and I'm sure a flower chamber or two along the way ). I read this thread a week ago and went shopping. Being a natural born cheap ass, Price was HUGE to me, and I don't have a pile of odds and ends around to just slap one together with. Here's what I did thanks to this post.

2 - 18 gal. plastic tubs - $3.98 ea. w/covers 16"x24"x16"
6 - New computer fans - $3.10 ea. 3"x3", 32CFM, 2700RPM w/connectors
1 - Fan Controller - $9.94 ea. Nexus Brand, 4 speed controls & alarm
1 - 12V adapter - $5.39 ea.
Based on 2 fans per unit, and 2 units total. the total cost is - $35.66 0r $17.83 each. With the chambers, fans, fan controller, and 12V adapter.

I have recently built some 35W, 2050 lumens light units @ $5.07 ea.(that's cheap considering I've seen less powerful CFLs (without sockets and cords) in the dollar store for $9.50) Then I purchased a 2-pack of 6 socket ea., power strips for $4.30. So now if we add 4 lights per unit and the power strips we total $80.52, Or $40.26 per unit.

That's all tax and shipping included, For perfectly clean brand new light sealed units that are portable, and capable of holding up to 12 clones each (comfortably). That would be only 140W of power for lights, and 12V of fan power (my favorite part as being the natural born cheap ass that I am ) And they're are tall enough to allow a plant to grow quite a bit. (and a larger tub can always be used if you like)

I will add mylar throughout top, sides, and bottom. (granted I already have the mylar), but there are other options for reflection if you don't. Frankly, this could be as easy as using the matte side of aluminum foil.

Now I'm a light monger, and will be adding much more light to these units, as well as fans as needed. But I very often see people posting that are veg'ing clones with CFLs that are about this wattage and lumens range.

Even at this, the light units are only $5.07, and fan units $3.10 each (and I'll have the empty sockets in the power strips, and the fan controller will be able to run the extra fans). The assembly of both units will take all of about 45 mins. And no swearing.

Thanks StOney, for the fan controller Idea. I didn't even know they existed until I read this thread. It was what actually motivated me to finally start shopping (that and the info I've gathered from so many excellent posts).

I used to just grow from seed, But at last, I'll be enjoying the beautiful ladies I have for years to come.

If anyone is interested, PM me and I will tell you where I purchased these parts. "I am not a part of any company, I have no vested interest. nor intend to advertise for anyone or anyplace where I made my purchases

OK, I'll shut the H*** up now.

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Beener