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3reef Donation Drive
| 3reef Donation Drive -
Please support 3reef by purhasing a shirt in the 3reef store. All profits go to getting a new server to keep 3reef going strong. In return, you will get a free bumper sticker and your own spot on the 3reef map! Goal: 50 shirts
To date: 15 sold
Last order karma to:
bmshehan  | |
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11-23-2007, 01:47 AM
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#11 (permalink)
| | Spaghetti Worm
Join Date: May 2007 Location: South Australia Age: 25
Posts: 190
Karma: 66
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are these units made with 12 volts DC?
if they are and u want a power converter use an old pentium 1 power suplly with a switch on it <the red wire is 12 volts DC and the black is yer earth on the hard drive and cd rom plug>
... if i was gonna make moonlights id go that way about it  | 
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11-25-2007, 04:38 PM
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#12 (permalink)
| | Plankton
Join Date: Nov 2007
Posts: 16
Karma: 20
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Can you possibly give us a close up picture of the layout?
How you have it set into the fixture would open our eyes more so?
Thanks from the newbie
Maximo _________ Trigger Master and Lion Taimer 
10gl Dhonti Cichlids:mad: Canus fish.
24gl Community: Species#44 Lk Victoris, Orange cichlid, Dwarf Puffers, Grn Tgr Barbs, Danios, Guppies.
29gl Community Cichlids: Turquoise Jewel, Turquoise Severum, Electric Yellow, Firemouth, and Species #44
35gl and 55gl awaiting materials for Marine adventure. | |
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12-17-2007, 02:36 AM
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#13 (permalink)
| | Peppermint Shrimp
Join Date: Nov 2007 Location: South Florida
Posts: 403
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let's see some pics!! _________ "God is dead." --Nietzsche
"Nietzsche is dead." --GOD 
55 gal. Kent Phos Reactor running carbon and Kent PhosBan, Coral Life 125 Skimmer, Typhoon 5 Stage RO/DI, 25 Gal Sump, 10 Gal. Refugium with Chaetomorpha lit opposite daylight cycle. Aquactinics TX5 5 bulb T5 fixture 3 Geisemann Midday, 2 Geisemann Pure Actinic. Ecotech Vortech propeller pump. | |
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12-19-2007, 02:23 PM
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#14 (permalink)
| | Plankton
Join Date: Dec 2007
Posts: 1
Karma: 1
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I was thinking of using LED Christmas/rope lighting. | |
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12-19-2007, 02:37 PM
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#15 (permalink)
| | Sailfin Tang
Join Date: Jul 2007 Location: Tatamy, PA Age: 15
Posts: 1,730
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Dont you need some kind of resistor to un LED's? i was going to use an old 4.8V DC charger to run a pair of LED's i found at the radioshack here in town that are 430nm. could i just wire them from the charger to the LED? | |
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12-19-2007, 03:25 PM
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#16 (permalink)
| | Fire Squid
Join Date: Jul 2007 Location: Miami Age: 39
Posts: 2,939
 
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WOW, Thats only one led light and it lights up the whole tank? cool beans! _________ 9YR OLD 90G 30G w/d Mag18 150G skimmer 692w MH,yel&kole tang,foxface,midas&convict blenny,B&G chromies,Blk/yel fin chromie blackcap,nemo,neon goby,6line; Blastomussa Merleti,Acan ,BUBBLE,Torch,LTA, Goniopora(2), Acropora(2),Brain, Moon, assort zoas, yel& G star polyps, R&G open brain, P&B ricordia, montiporas, cup&candy corals, enias,B/G mush,flower ane(2), cherry red mussa, dusters,cleaning crew  | |
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05-08-2008, 11:10 PM
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#17 (permalink)
| | Plankton
Join Date: Apr 2008
Posts: 6
Karma: 1
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you need to current limit the led's with a resistor or they will overheat/burnout , lots of led scematic charts on the web a resisters are dirt cheap just plug in whatever voltage you want to use ie: 12 v / 24 / 6 | |
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05-09-2008, 03:57 AM
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#18 (permalink)
| | Sailfin Tang
Join Date: Jul 2007 Location: Tatamy, PA Age: 15
Posts: 1,730
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I know that, But....say i have 6, 2 watt LEDs and i plug all into a 12 VDC cconverter, would a resistor be necessary?
_________
55gal semi-reef: 2 250 watt halides
Corals: Hammer Coral, Florida Ricordia,A recently split hitchhiker Acan, Xenia, Leather Coral, Green Starburst Polyps, and some Zoas.
Fish: Coral Beauty, Yellow Tang, 2 Bicolor Chromis (Yellow/blue), Pajama Cardinal, Ocellaris Clown, Firefish, Coral banded shrimp, large pink sea cuke
10gal fresh community (for my little bro., calm down...) | |
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05-09-2008, 12:34 PM
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#19 (permalink)
| | Plankton
Join Date: Apr 2008
Posts: 6
Karma: 1
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always need a resistor to limit the current otherwise they will heat up and flow to much current even if you had 4*3 volt led's w/12v p/s in series you would need more than 15 volts so give em more than that and limit it with a resistor or run 2 banks of 3 leds series / parrell w/resistors to make up the 3 volt diff. 3*3led=9v + res 3v=12v must have resistor inline to limit ma. | |
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05-09-2008, 02:36 PM
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#20 (permalink)
| | Sailfin Tang
Join Date: Jul 2007 Location: Tatamy, PA Age: 15
Posts: 1,730
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Gotcha, i think  | |
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