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Old 03-20-2009, 07:42 PM   #1
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Question retofit VHO vs retofit compact fluorescents

I am upgrading the lighting in my 75 gallon saltwater, for the last 6 months I have only had two 65 watt compacts/ one 10k white and one actinic 03 blue lapms, the other two are dead '' ballast related''... I have a hood and have leaned to retrofiting so i can keep the hood. ????

I planed on going w/ two sets of: coralife

48'' -Compact Fluorescent retrofit kits, each kit comes w/ 2 10k/ 2 true actinic 03 blue compact fluorescent lamps, external remote electronic ballast 4*65 watt...

However the fish store is pushing me towards VHO 48'' 4 lamp retrofit w/ off brand ballast '' sorry do not know the name of them''

What to do??????????????
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Old 03-20-2009, 07:55 PM   #2
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If you are keeping corals I recommend going with 4-6x 54w T5ho kits. TEK is a very good option and is what I have on my tank. VHOs will work fine if you want to go that way. PC lighting I don't care for. It gets hot the bulbs don't last very long and they are pricey to replace. T5 bulbs will last 12-18 months and they have several color options.
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Old 03-20-2009, 09:39 PM   #3
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compact fl's not good for coral

so 4-6 *54 watt T5ho's are better for hard and soft coral than

8 * 65watt compact fl??????
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Old 03-21-2009, 01:09 AM   #4
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What are the dimensions, 75g regular (48" x 18" x 20") or 75g tall (48" x 15" x 24")?
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Old 03-21-2009, 08:30 AM   #5
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Quote:
Originally Posted by sherman9 View Post
so 4-6 *54 watt T5ho's are better for hard and soft coral than

8 * 65watt compact fl??????
Yes...IF you use individual reflectors for the T5's. The thing that makes T5's work so well is the use of a quality reflector.
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Old 03-21-2009, 08:56 AM   #6
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Im partial to VHO`s. T5`s are probably better as far as intensity but I like my VHO`s. Here are pics of my VHO retro fits. They are covered by a reflective dome. Between the internal reflectors on the bulbs and the reflective dome I would say 99% of light makes it into the tank.



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Old 03-21-2009, 12:50 PM   #7
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yes, sorry about that I will update my tank with more info.
any way, the tank is 48''*18*20 and Iwould like to keep the canopy is why I was leaning toward the 2 sets of compacts...
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Old 03-21-2009, 12:52 PM   #8
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melosu58, nice tank!!!!
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Old 03-21-2009, 02:11 PM   #9
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There are several benefits to T5s. They are IMO much better then PC lights. I have had PC lighting on a 72g tank and just 2 54w T5s produced more light then the PCs did. They have a better PAR rating and with the use of individual reflectors you will get better growth in your corals then with PC lights. TEK as I mentioned uses German reflectors. Each bulb has it's own reflector so you get maximum benefit from the bulbs. Another big benefit of the T5s is the bulb life. Average 12-18 months vs 6-10 months on the PC and even VHOs. It is totally up to you what you decide to do and people have kept successful tanks with all kinds of lighting.
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Old 03-21-2009, 02:12 PM   #10
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Thank you. That is your VHO retrofits in action. I just showed you the tank pic so you could see the lighting system. I dont use a canopy.
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