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05/11/2015, 08:37 AM
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#1 |
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Registered Member
Join Date: Nov 2011
Posts: 2,393
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Is it worth cooling retro T5's that are supplementing LED's?
I added 2 80w T5's to supplement my leds and plan to run them about 4 hours a day or so. Is it worth trying to cool the two bulbs somehow to extend life? If I did what's the best way to cool them?
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05/11/2015, 08:39 AM
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#2 |
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Registered Member
Join Date: Nov 2011
Posts: 2,393
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I guess I should add its a LET 2 bulb 80w setup (hep ~ati ballast).
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05/11/2015, 09:48 AM
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#3 |
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Registered Member
Join Date: Dec 2005
Location: South Carolina
Posts: 2,479
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With cooling they would be a little brighter and last longer but I wouldn't worry about it.
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05/11/2015, 10:16 AM
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#4 |
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Registered Member
Join Date: Nov 2011
Posts: 2,393
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If I did cool it, do I just use one fan per bulb under the label or what?
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05/11/2015, 01:36 PM
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#5 |
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Registered Member
Join Date: Nov 2011
Posts: 2,393
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I got an old junk pc that I can pull some fans out of and I already have a box full of phone chargers that would power the fans...
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05/13/2015, 11:54 AM
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#6 |
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Registered Member
Join Date: Nov 2011
Posts: 2,393
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anyone?
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05/13/2015, 12:14 PM
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#7 |
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Registered Member
Join Date: Oct 2013
Location: DFW, Texas
Posts: 189
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I have been contemplating this as well. Was think of trying something like this so it would go down the length of the bulb. I haven't even got my t5s yet, just throwing it out there..
http://shop.stevesleds.com/Pressuriz...8794102414.htm |
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05/13/2015, 12:16 PM
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#8 |
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Registered Member
Join Date: Nov 2011
Posts: 2,393
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That things kinda cool
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05/13/2015, 07:30 PM
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#9 |
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Registered Member
 Join Date: Jan 2007
Location: menifee So cal
Posts: 11,042
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That is a cool fan, I have heard that T-5's without fans last 6 months and 12 months with fans, also that the labels need to be on the same side not sure why but? I guess the big question is what temp is best? My exhaust temp on my Maristar II with 4 t-5 54 watt is 85 degrees with active cooling.
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05/13/2015, 09:55 PM
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#10 |
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Registered Member
Join Date: Jul 2012
Location: Sacramento, Ca
Posts: 1,130
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95 degrees is optimum per Giesemann "study". I measured my 2 39w LET an I get 95-100 degrees at the bulb label and 130ish in the center of the tube. Tagging along aswell for a future 6 54w retro build.
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05/15/2015, 07:48 AM
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#11 |
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Registered Member
Join Date: Nov 2011
Posts: 2,393
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Anyone else?
__________________
Giant money pit, but it's a happy pit ;) Current tank: 6ft 210gal SPS, 3~eBay led boxes, 4~80w T5's, sro3000int, RW20's, Reef Angel, reactors, pumps, rocks, sand, yadda yadda yadda... |
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