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#1
02-02-2010, 06:41 PM
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Are you looking to go with all t5's? At 8' long on the tank you need to double up the 54's to get full coverage so you're looking at a lot of t5's, like if you want 6 wide that's 12 lamps, and 8 wide is 16. If you're OK with that there are some nice units available but prepare yourself for the sticker shock.
As for switching SE to DE I think you're generally looking at a whole new pendent. Also depending on what existing ballast you have you may be looking at all new everything (light, reflector/pendent, ballast).
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-- Tony My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee! 
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#2
02-02-2010, 08:31 PM
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As for the T5 HO I was thinking of going with 8 - 10 bulbs per side and using Glo retro kits but that would mean I would have to find 7 more kit's.
As for the MH I have 3 - 250w IceCap ballast in the 155. They claim that they will run every type of lighting up to 250w. So I guess this means I am still on the fence. The main reason I want to go away from the SE MH is so that my canopy is not so high. Would like to keep it in the 12"-14" mark.
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Feed the bear goodies, make a new friend, don't feed the bear............... 8' - 165gal Reef DIY LED's Build 2012 Nano Contest Winner Febuary 2013 POTM Winner 300 gal + 60 gal Complete DIY Build
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