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Old 02-20-2004, 05:52 PM   #1
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lighting. watts per gallon?

what is a good way to figure out how many watts per gallon a tank is getting? is there like a formula? or am i just a big dummy?
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Old 02-20-2004, 06:23 PM   #2
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well add up how many watt you have in your lighting and divide by how many gal of water your tank holds

ex:

i have 2x 96 watt bulbs on my tank so that would be 192 watts total and it is on a 46 gal tank so 192/46 = 4.173

4.2 is my watt per gal. hope this helps
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A 46 gal bow front (Soft coral) reef tank with a 10 gal sump. And a 30 gal (SPS and Clam) reef tank hooked up to the sump of the 46 so they share water.
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Old 02-20-2004, 06:34 PM   #3
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I have 30watts on one my 10gals


So, 10 by 30 equals 3wpg
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Old 02-20-2004, 07:06 PM   #4
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4x65watts=260 watts divided by 55 gallons is 4.27272727272727 per gallon.
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Old 02-20-2004, 08:17 PM   #5
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239W (1 X 175W MH and 2 X 32W PC)/20g = 11.95 WPG

WPG sucks, tell us what your keeping, what kind of light you have and how much and we will tell you if it should work
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Old 02-20-2004, 08:53 PM   #6
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WPG sucks, tell us what your keeping, what kind of light you have and how much and we will tell you if it should work
Agreed. This works well in the FW world, but not so well in the SW world. This is because so many inverts have different lighting requirements.
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Old 02-20-2004, 10:37 PM   #7
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ok so i just brought home some corals soft ones. and i am wondering if my light is going to be able to handle them. 1 big soft leather mushroom i think. it looks like a carpet anemone but it a lot taller and has the little stubss on the top of the coral. then i got a blue finger leather. looks like a stick with a lot of fingers all pointing up. vary light blue. will 1x 96 watt 10,000k and 1x 96 watt 03 on a 46 gal tank be good to make them grow? the lfs that i got them from said oh ya there lighting was like 1/2 of what mine is and the tank was about the same size. and how would i feed them? or do i not have to?
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Old 02-20-2004, 10:58 PM   #8
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1 big soft leather mushroom i think. it looks like a carpet anemone but it a lot taller and has the little stubss on the top of the coral.
Close, Toadstool leather.

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will 1x 96 watt 10,000k and 1x 96 watt 03 on a 46 gal tank be good to make them grow?
Personally I think it is marginal, but should work.
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Old 02-21-2004, 09:33 AM   #9
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No that I am big math wiz or anything isn't 260 divided by 55 4.727272?



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