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05-07-2006, 09:10 AM
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#1 (permalink)
| | Astrea Snail
Join Date: Mar 2006
Posts: 59
Karma: 21
 |  Lighting for 20gal long
Hi everyone,
I would really like to use T5 lighting over a 20gal
long tank.My problem is the tank being 30" long.
The only bulbs I'm aware of are either 24" or 36".
Also if I go with hanging fixture which length.
Any suggestions would be greatly appreciated.  | 
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05-07-2006, 09:29 AM
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#2 (permalink)
| | 3reef Moderator |
You could just get the 24" unit. Hang it and it will light the full 30"
What unit were you thinking of?
J | |
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05-07-2006, 09:57 AM
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#3 (permalink)
| | Astrea Snail
Join Date: Mar 2006
Posts: 59
Karma: 21
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Sunlight Tek 4 x 24" or 4 x 36".
Thanks
Last edited by morejongg; 05-07-2006 at 09:17 PM.
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05-08-2006, 07:26 AM
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#4 (permalink)
| | KingFish
Join Date: Dec 2000 Location: Pt. Richmond, Ca. Age: 38
Posts: 7,484
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Is that the one with leds instead of actinics?
I have a 20 long and I am currently pretty happy with my latest fixture - a 30" with 2 T5 actinics and 1 70 watt hqi halide bulb. My corals are happy with it about 2 " from the water (70 doesn't put out that much heat).
I got it from catalinaaquarium.com. Pretty good price, just have to be specific and where you want the wires (how many too) and switches. 
If you have a lot of corals, you could do (2) 70 watt bulbs to be even, or 1 150 watt. I had a 150w pendant on mine before, but found it to be a little intense to the eye. | |
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05-08-2006, 10:53 AM
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#5 (permalink)
| | Peppermint Shrimp
Join Date: Dec 2005
Posts: 403
Karma: 38
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Matt, do you have any pics of the tank w/ the new light? I am thinking of either doing 4x24 T5-HO or your setup (also for a 20L). How are your Acro. doing under those light?
Thanks!
GKW
_________
Started on Jan 24, cycled on Feb 17
125 gallons (72" x 18" x 22"), 20 gallons sump, 29 gallons fuge. 90 lbs sugar fine sand in MT and 30 in fuge.
Equipments:
Coralife Super Skimmer 220 w/ an air pump to increase micro bubbles, Mag drive 9.5 return pump
2 Maxi 900 and Rio+ 2100 as powerheads, Mag 350 filter
Lighting:
110watts PC, 70watts NO
Resident:
2 Polyps Ricordia
Royal Gramma, Lawnmower Blenny
Sally Light Foot
Pepermint Shrimp
70 Blue Leg Hermits
25 Snails | |
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05-08-2006, 10:59 AM
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#6 (permalink)
| | KingFish
Join Date: Dec 2000 Location: Pt. Richmond, Ca. Age: 38
Posts: 7,484
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No pics, but I can probably take some tonight.
I have arcos near the top and they are all growing. The growth is not rocketing, but noticable. Color is great.
I really like the 70w HQI. | |
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05-08-2006, 11:17 AM
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#7 (permalink)
| | Peppermint Shrimp
Join Date: Dec 2005
Posts: 403
Karma: 38
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Thank for the reply Matt!
How about the 150w HQI? Does it have a better impact on the arcos's growth?
Thanks! | |
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05-08-2006, 12:32 PM
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#8 (permalink)
| | KingFish
Join Date: Dec 2000 Location: Pt. Richmond, Ca. Age: 38
Posts: 7,484
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Yeah it would. | |
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05-08-2006, 07:57 PM
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#9 (permalink)
| | Astrea Snail
Join Date: Mar 2006
Posts: 59
Karma: 21
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Matt,
I'm not sure what you mean by LED's.
The Sunlight tech uses the D&D Giesemann German bulbs with
two triad ballasts (can upgrade to icecap retro)
I'm thinking of the following setup
One each GE 6500K
One each Aquablue 11,000K
Two each Blue +/Actinic peaks at 450nm
(Supposed to give 12-14,000K appearance)
There's only about $10.00 difference between the 24" retro(24w)
and the 36" retro(39w)
Almost worth switching to a 30gal breeder.
I will consider the 70MH though.
Last edited by morejongg; 05-08-2006 at 08:18 PM.
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05-08-2006, 09:21 PM
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#10 (permalink)
| | Bristle Worm
Join Date: Jun 2005 Location: Gypsum, KS Age: 24
Posts: 128
Karma: 21
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MATT DO YOU HAVE A CHILLER ON YOUR TANK?? everybody told me NO WAY!!! on my 20 long when i wanted MH. without a chiller anyway.
_________
36 Gallon Bow front Reef
Residents - Lawnmower Blenny, Maroon Clown, Freckle Faced Hawk Fish, Blue Mandarin Dragonet, Tomini Tang, Sailfin Tang, Coral Beauty, Dragon Wrasse, Green Mushrooms, Green Yuma Ricordia Mushroom, Starburst Polyps, Pulsing Xenia, Clove Polyps, Candy Cane, Yellow Tip Torch, Golden Polyps, Dwarf Hermit Crabs, Snails
20 Long Sump - Corallife Super Skimmer, Rio 2100
Lighting - Current USA 130W PC Dual Daylight/Dual Actinic/White Moon Light | |
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