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Old 02-01-2006, 09:06 PM   #1
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T5 info please

I have been out of the loop for awhile. From what I am seeing, T5 is the way to go. I would like if someone could tell me why or how these are better than power compact, MH etc... and what I need to know when I go to buy some....ie how to know how many, or how many watts I need etc...

Thanks a bunch!!!
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-50gal tank
-20gal tall sump / refugium.
-About 15-20 lbs of live rock
-60 lbs (3") of sand.
-2x65w power compact lights
-2x18w power compact in the refug.
-bak pak 2R
-3 LARGE feather dusters all differebt colors
-orange spotted goby
-fire fish
-12 or so hermits
-50-60 nassairus snails
-about 12 turno snails
-emrald crab
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Old 02-01-2006, 10:57 PM   #2
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They are newer, last longer that PC and a lot thinner. A large portion of their output comes from using a parabolic (picture an M over each tube) reflector. The cheap ones use a simple angled reflector or no real reflector at all.
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Old 02-02-2006, 08:23 PM   #3
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Re: T5 info please

Quote:
Originally Posted by supermarvin76
I have been out of the loop for awhile. From what I am seeing, T5 is the way to go. I would like if someone could tell me why or how these are better than power compact, MH etc... and what I need to know when I go to buy some....ie how to know how many, or how many watts I need etc...

Thanks a bunch!!!
Checkout T5 fixtures or retro kits from Sunlight Supply - good reflectors are key to a good T5 setup. As far as T5 bulbs go, I had a 2 GE Daylight/2 Blue Plus setup, but recently switched to 2 BluePlus/2 AquaBlue (11k). The GE Daylight have the most PAR (I've read), but they are very yellow, so if you use these you need BluePlus to offset (well, imho).
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Old 02-02-2006, 08:39 PM   #4
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I am not sure that they are "better" than MH. MH beats a T5 in intensity hands down I would think. They are cheaper for sure. Although the T5 bulbs last longer, you have more to replace. Someone with alot of time on their hands can do the math. MH bulbs last a year. T-5 HO non actinic bulbs last 2 years while the actinics last 18 months is what Foster & Smith says on their website.

General Rule of Thumb is 4 wpg for most corals is a good average. SPS corals and anemone, higher lighting.

You have a pretty small tank, so I would think you would do fine with T5..all the previous is just trivia.
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