Go Back   Aquarium Advice - Aquarium Forum Community > General Aquarium Forums > DIY Projects
Click Here to Login

Join Aquarium Advice Today
Reply
 
Thread Tools Search this Thread Display Modes
Please support our sponsors and let them know you heard about them on AquariumAdvice.com
 
Old 11-22-2005, 06:03 PM   #1
Aquarium Advice Activist
 
Join Date: Oct 2005
Location: Amherst, NY
Posts: 109
How to power CPU fans in canopy?? What CPU fans to get??

I building my own canopy for my 180 gal where it will be housing 3x 250 HQI ME's. I was told to get 4 x 4 1/2" CPU fans and install 2 on each end of the canopy, 2in 2out.

I'm at the point to where I need to purchase the fans. There are thousands of fans out there and have no idea which would work best for me. PLEASE help me locate some or tell me what to look for. Looking for the best!

Also, how will I be powering these 4 fans? And eventually I'd like to hook them up to some type of thermostat if possible?

I know http://marinemadness.com/ has 4 inch smart fans w/ built in thermostat but they each have a separate plug, that means I'd have 4 plugs to plug in when I'd like to have only one if possible. Your input is greatly appreciated.

Brent
__________________

__________________
1brent1 is offline   Reply With Quote
Old 11-22-2005, 07:30 PM   #2
AA Team Emeritus
 
Join Date: May 2002
Location: Virginia
Posts: 2,256
Send a message via ICQ to fishfreek Send a message via AIM to fishfreek Send a message via MSN to fishfreek Send a message via Yahoo to fishfreek
To power a CPU fan or a computer case fan you need a 12V DC powersupply. These can be purchased at radio shack for a few $. Or purchase a fan that is 120V AC and then this can be wired to a standard two or three prong outlet and then plugged into a regular wall outlet.

To power multiple fans from a single plug you need to know the amperage pull per fan and then match a powersupply that will have enough amperage to provide the juice for the four fans collectivly.

An example lets say a 90MM computer case fan pulls 12V DC and .02amps. Four fans of this type would pull 12V DC and .08amps so you need to find a power brick that will do 8miliamps at 12V DC.

I personally just purchased an ice cap 120MM fan with themostat built in. Its a little more costly than a DIY job but a ton easier.
__________________

__________________
Remember dont tap the glass, your fish will think you're an idiot -Anonymous mother

Check out our articles area. 30+ Aquatic articles for your enjoyment
Are you in or around the Shenandoah Valley area? If so click here to join our regional forum.
fishfreek is offline   Reply With Quote
Old 11-22-2005, 07:42 PM   #3
Aquarium Advice Activist
 
Join Date: Oct 2005
Location: Amherst, NY
Posts: 109
Quote:
Originally Posted by fishfreek
To power a CPU fan or a computer case fan you need a 12V DC powersupply. These can be purchased at radio shack for a few $. Or purchase a fan that is 120V AC and then this can be wired to a standard two or three prong outlet and then plugged into a regular wall outlet.

To power multiple fans from a single plug you need to know the amperage pull per fan and then match a powersupply that will have enough amperage to provide the juice for the four fans collectivly.

An example lets say a 90MM computer case fan pulls 12V DC and .02amps. Four fans of this type would pull 12V DC and .08amps so you need to find a power brick that will do 8miliamps at 12V DC.

I personally just purchased an ice cap 120MM fan with themostat built in. Its a little more costly than a DIY job but a ton easier.
cool thanks! will let you know you make out.
__________________
1brent1 is offline   Reply With Quote
Old 11-23-2005, 04:04 PM   #4
Aquarium Advice Activist
 
Join Date: Oct 2005
Location: Amherst, NY
Posts: 109
Quote:
Originally Posted by fishfreek
I personally just purchased an ice cap 120MM fan with themostat built in. Its a little more costly than a DIY job but a ton easier.
where did you buy it? I found one site that sells them for $43. Is that a high price? I would need 4 of them.

coralvue has a very similar smart fan that I can get for $30 each. Anyone heard of them or know reviews?
__________________
1brent1 is offline   Reply With Quote
Old 11-23-2005, 05:28 PM   #5
Moderator Emeritus
 
Join Date: Sep 2003
Location: Indiana USA
Posts: 2,694
I use panaflo L1A's, 80mm PC fans. I bought an adjustable AC/DC power supply and I just wired the fans to the wires of the adaptor. I can increase or decrease the voltage to run the fans at a higher or lower speed. This is done in PC's as well.

Panaflows are nice PC fans that run about $5 or so each and are pretty quiet.
__________________
*180 gal Display, 100 gal basement sump, 33 gal refugium, 3x250 MH, 2x160 VHO actinics, zoos, some softies, LPS & lots of acros and other SPS.
*100 gal prop tank plumbed into main system w/ 2x96 PC lights and 1x150 MH,
ellisz is offline   Reply With Quote
Old 12-23-2005, 12:24 PM   #6
Aquarium Advice Regular
 
Join Date: Aug 2005
Location: Phoenix
Posts: 70
Quote:
Originally Posted by ellisz
I use panaflo L1A's, 80mm PC fans. I bought an adjustable AC/DC power supply and I just wired the fans to the wires of the adaptor. I can increase or decrease the voltage to run the fans at a higher or lower speed. This is done in PC's as well.

Panaflows are nice PC fans that run about $5 or so each and are pretty quiet.
These fans only move about 24cfm. How many of them are you using?
__________________
maporsche is offline   Reply With Quote
Old 01-03-2006, 11:00 AM   #7
Aquarium Advice Activist
 
Join Date: Mar 2004
Location: Peshtigo, WI
Posts: 198
How about just using an old power supply from a PC? I am about to venture into my first canopy and I have old PC laying around and I was gonna snatch a power supply and then mount it in the hood. Would that be too much moisture for it though? HMMM. Just thought of that. I dunno if I want to mount it on the back of the hood.. I'll have to ponder that one.
Tmcgee
__________________
tmcgee is offline   Reply With Quote
Old 01-03-2006, 01:09 PM   #8
Aquarium Advice Addict
 
Join Date: Aug 2004
Location: texas
Posts: 1,510
We got ours from radio shack for 25 dollars apiece. They are 120v and we have them wired in with the NO flourescents so that they come on an hour before and go off an hour after the MH.
__________________
Good luck! Kat
90 malawia cichlid
55 planted tropical community
http://www.aquarank.com/in.php?id=fishfree
electrikat is offline   Reply With Quote
Old 01-03-2006, 03:52 PM   #9
AA Team Emeritus
 
Join Date: May 2002
Location: Virginia
Posts: 2,256
Send a message via ICQ to fishfreek Send a message via AIM to fishfreek Send a message via MSN to fishfreek Send a message via Yahoo to fishfreek
Wow there are alot of responses and I am sorry I didnt see them until now.

The icecap fan I have came from www.marinedepot.com Its quite expensive for a fan but they move ALOT of air. I suspect all but the largest of canopies can get by with one or two of these fans max. The fans move 50‚Äď112 CFM. Use that to compair it to other fans. I have found most computer fans dont move near as much as these do.

http://www.marinedepot.com/md_viewIt...product=IC5113
__________________
Remember dont tap the glass, your fish will think you're an idiot -Anonymous mother

Check out our articles area. 30+ Aquatic articles for your enjoyment
Are you in or around the Shenandoah Valley area? If so click here to join our regional forum.
fishfreek is offline   Reply With Quote
Old 01-03-2006, 09:35 PM   #10
Aquarium Advice Activist
 
Join Date: Mar 2004
Location: Peshtigo, WI
Posts: 198
fishfreek,
Seems like the only advantage is the thermal sensor. Otherwise for that price I could hook up 8 computer fans for that price and move way more air. Obviously noone would want 8 fans cut into their canopy but that seems like quite a chunk of change for the advantage of the thermal sensor. Just my two sense..
Tmcgee
__________________

__________________
tmcgee is offline   Reply With Quote
Reply

Tags
canopy, fans

Please support our sponsors and let them know you heard about them on AquariumAdvice.com

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Looking for fans to go in canopy DOLPH General Hardware/Equipment Discussion 9 03-11-2007 09:19 PM
light hood w/fans and canopy guitarded DIY Projects 2 08-24-2005 05:16 PM
Canopy Fans Ximat DIY Projects 4 07-05-2005 06:55 PM
canopy and fans iwantareef16 DIY Projects 3 01-13-2005 05:58 PM
canopy fans ellisz DIY Projects 7 07-06-2004 01:19 AM







» Photo Contest Winners








Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -4. The time now is 07:16 AM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.