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Old 06-24-2010, 12:23 AM   #1
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One more lighting question needs answer please

If I had a total of 56 watts of regular t5 lighting, how much would that amount equal in t8.

RIght now I have a total of 36 watts of t8, if I went to the 56 watts of t5, what would be the equivalent in t8? How many watts would I gain?

If I gather correct, 1 watt of t5 is not the same as 1 watt of t8, correct?


THanks,

Dan
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Old 06-25-2010, 07:32 PM   #2
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Is this a FW planted tank?

It depends a bit on the bulb (some are better than others), but in general, a T8 W is equal to ~1.25 T12 (normal output) W. T5's are around 1.4-1.5. So the T5 is maybe 1.1-1.2 x the T8.

If this is a reef, then I don't know what I am talking about!
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80 gal FW with 30 gal DIY wet/dry/sump.
9 fancy golds, 1 hillstream loaches, 1 rubber-lip pleco (C. thomasi), 3 SAEs, small school of white cloud minnows, planted.
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Old 06-26-2010, 04:48 PM   #3
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Hi jsoong, yes it is a freshwater planted tank.
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Old 06-26-2010, 06:01 PM   #4
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What's the volume of your tank? I'd say the conversion is pretty arbitrary. T5 with good reflectors will mostly be medium light and higher. If you were to use the 1.5 rule that would slap me at 4.2 watts per gallon which I don't think is correct, as in that's too high.
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Old 06-26-2010, 07:16 PM   #5
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Standard 55 gallon 48x12.5x20
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Old 06-26-2010, 08:15 PM   #6
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Medium lighting I would say.
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Old 06-26-2010, 10:29 PM   #7
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Agree. 56W T5 over a 55, with a good reflector, would put you in medium range.
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80 gal FW with 30 gal DIY wet/dry/sump.
9 fancy golds, 1 hillstream loaches, 1 rubber-lip pleco (C. thomasi), 3 SAEs, small school of white cloud minnows, planted.
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Old 06-26-2010, 11:24 PM   #8
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Thank you all.

t5no is the way to go for me.

Less expensive the ho

Dan
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