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Old 02-05-2014, 08:55 PM   #1521
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Here are 90s with just the blues Click image for larger version

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Old 02-05-2014, 09:00 PM   #1522
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That's a lot of light spilling into the room...I would have stuck w/ 120.
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20 gallon nano-reef torn down to make way for the 40B Reef (original thread and current update).
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Old 02-05-2014, 09:10 PM   #1523
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If they are dimmable you should lower them, or build a canopy to help. That's a lot of light
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Old 02-05-2014, 09:19 PM   #1524
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Granted my third unit is above my Fuge currently until the Fuge lights come in, my lights are normally around 1-1 1/4 inch closer and I still have little light glowing thought out the room. Lights are Tao b/w dimmables, No optics.
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Old 02-05-2014, 11:53 PM   #1525
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If I remember correctly earlier in this thread, there was a member who had to modify his light from 120 to 90 because it made his living room glare so much
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Old 02-06-2014, 06:32 AM   #1526
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Quote:
Originally Posted by dragonfisher33 View Post
If I remember correctly earlier in this thread, there was a member who had to modify his light from 120 to 90 because it made his living room glare so much
Yeah..sorry..my brain was toast yesterday and forgot basic geometry

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20 gallon nano-reef torn down to make way for the 40B Reef (original thread and current update).
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Old 02-06-2014, 07:02 PM   #1527
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i dont think optics play into spill over as much as one may think. you are still putting a ton of light into a tank with leds, if the intensity is too much for the tank to absorb, itll just spil out into the room, so while a canopy will help to curb escess spill over from the fixtures themselves, it wont do much in terms of excess light coming from within the tank itself
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Old 02-07-2014, 10:54 AM   #1528
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can someone enlighten me the difference between these two fixtures? (other than the fact that one is 120w and the other is 165w). how does the wattage of a fixture come in play when it comes to coral growth?
Evergrow Dimmable Full Spectrum D120 120W LED Light for Reef Saltwater Aquarium | eBay

Dimmable 165W LED Aquarium Grow Light Full Spectrum Fishtank Reef Coral LPS SPS | eBay
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Old 02-07-2014, 04:44 PM   #1529
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If you have a really deep tank, then I might suggest the 165 watt unit, but for anything under 30", the 120 watters are just fine.
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Old 02-07-2014, 05:18 PM   #1530
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If you have a really deep tank, then I might suggest the 165 watt unit, but for anything under 30", the 120 watters are just fine.
so it's just a potency difference? i'm going to upgrade my 29gal to a >65gal tank and use the 29gal as a sump. i just want to plan ahead for the upgrade (probably next year or so) especially with the light so that i don't buy the same thing but different wattage twice. do you have the 120 or the 165w Doug? i understand your tank is pretty big and do you turn your LED all the way to 100% for your tank? how deep is your tank?
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