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Old 10-25-2011, 05:35 PM   #11
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Originally Posted by rdnelson99

Energy consumption is a function of voltage and wattage (which is about the same thing as volt-amps). If you have 400 watts of MH the ballast will draw a bit and the total consumption for one lamp would be about 450 watts. A 4' T5HO lamp is 54 watts. Because the ballast is electronic on the T5 there is almost no energy consumption. So.....a 3 lamp MH would be 1350 watts. Run for 8 hours that equals 10.8 Kilowatt hours. At .07 per kilowatt hour that is $.756 per day. An 8 lamp 4' T5 fixture would be 432 watts. Run for 8 hours that would be 3.456 Kilowatt hours. At .07 per kilowatt hour that is $.242 per day. Now if you want to talk LED. LOL
Very good info nelson thanks a bunch
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Old 10-25-2011, 05:36 PM   #12
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Not a problem.
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Old 10-25-2011, 05:44 PM   #13
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I think I'm going to order this fixture. Ofcourse heat will be a issue but I will be putting 4 fans in my hood 2 to bring in the cool air and 2 to draw out the heat. I'm not sure if the t5 are directional but that would be awesome tho.
Hopefully we can get a full review.
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Old 10-25-2011, 06:29 PM   #14
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Quote:
Originally Posted by rdnelson99

Energy consumption is a function of voltage and wattage (which is about the same thing as volt-amps). If you have 400 watts of MH the ballast will draw a bit and the total consumption for one lamp would be about 450 watts. A 4' T5HO lamp is 54 watts. Because the ballast is electronic on the T5 there is almost no energy consumption. So.....a 3 lamp MH would be 1350 watts. Run for 8 hours that equals 10.8 Kilowatt hours. At .07 per kilowatt hour that is $.756 per day. An 8 lamp 4' T5 fixture would be 432 watts. Run for 8 hours that would be 3.456 Kilowatt hours. At .07 per kilowatt hour that is $.242 per day. Now if you want to talk LED. LOL
Awesome info. Thanks! Though I think the fixture uses only 250w MH. This would be less than the 75 cents you mentioned. Just need to check the price of electricity where I am. Great info again rd!
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Old 10-25-2011, 06:48 PM   #15
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Ya it will probably be almost 1/2 that its only one 250 watt mh HQI and 156 watts of t5ho and 18 watts of leds for moonlight and with the ballast your probably looking at around 450-500 watts for the hole fixture.

Wow all this just so I can get myself a clam Haha he better be stunning when I get him
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Old 10-25-2011, 06:55 PM   #16
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Old 10-26-2011, 08:59 AM   #17
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Ya it will probably be almost 1/2 that its only one 250 watt mh HQI and 156 watts of t5ho and 18 watts of leds for moonlight and with the ballast your probably looking at around 450-500 watts for the hole fixture.

Wow all this just so I can get myself a clam Haha he better be stunning when I get him
A clam is definitely on my list. What made my decision between MH and T5 was the fact I could get all the parts (except lamps) for free to do a DIY 6 lamp T5HO. That kind of took MH out of the picture in a hurry. LOL
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Old 10-26-2011, 09:17 AM   #18
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I would like to stay away from mh BUT I'm not sure if a 6 lamp t5 fixture will be enough for my 24 inch deep tank
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Old 10-26-2011, 09:24 AM   #19
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Have you talked with Mr._X about it? If I remember right, he said he actually has run par tests and the T5HO is a very good option up to 24" deep.
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Old 10-26-2011, 09:40 AM   #20
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No I haven really. But with t5 fixture with 6 lamps would only give Me about 5 watts per gallon will that be enough for a sps and and my clam. I wanna be able to keep anything I don't wanna be limited to my lighting setup
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