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#1
02-17-2008, 08:34 PM
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Lighting Dead Spots?
If I had a Metal Halide fixture on my 36" long tank with 1 250 watt mh bulb and 2 96 watt actinics would there be 'dead spots' on the sides without light?
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#2
02-17-2008, 09:04 PM
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First I would say yes... you will definitely see the ends of your tank being a lot darker then the center.... maybe not completely dead spots depending on how long your Actinic lighting is....as well it will depend on the type of light you will be using and deflectors... if you use the old style single end bulbs you tend to get a wider spread ... the double ended lights tend to be a little more focused light in my opinion... just some thoughts.. although I have seen systems as you describe with their SPS right under the MH and as they moved out to the side LPS then softies and leather ... so it can work just not the look most people are looking for...
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72g Bowfront Drilled,Lighting,2x250 10,000k MH,2 actinic T5,2/6" fans,2MJ with 1600gph convertions kits,Bullet 2 style skimmer with Mak 4,29g sump/Refugium,96W power compacts in sump, Velocity T4 Titanium "return",Life Guard 300 Fluidize bed filter,1"sand bed, 29g auto top off, 140lb LR,SPS,LPS,Softies,Zoos,2Percula Clowns, 2yellow tail Damsels,1yellow tang,2cleaner shrimp, 1six line Wrass,2 Bengaii Cardinal,1lawnmower Blenny,1sand sifting star,1TigerTailCucumber, snails,hermit crabs,Macros.
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#3
02-17-2008, 10:42 PM
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my first tank was exactly that kind of setup (with mogul based MH), i noticed no "visible" dark spots, but the light intensity was less on the outer edges. it worked well for the setup i needed and the corals i chose to keep
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how many times does it take starting from scratch to make your dream a reality? Starting new setup as of Oct/16
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#4
02-17-2008, 10:59 PM
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I was looking at an hqi double ended bulb.
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Linear Mode
