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Old 07-11-2009, 10:21 PM   #1
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bulbs

I have a 92 gallon corner reef tank with 2 175watt 14k MH bulbs. One of the bulbs went out this evening. It would benefit me more to buy a new retrofit kit for a 400 watt bulb for 109.00 than to buy a new bulb locally for ~$85-90. Would the 400 setup be too much light for the tank? Do you think it would be enough since the bulbs are supposed to be only good for about a 2 foot square area? http://www.hellolights.com/index.asp...OD&ProdID=1775
Help asap would be greatfully helpful as I am down to only one bulb!!!!
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Old 07-11-2009, 10:38 PM   #2
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Well, I guess a single 400 is just 50W more than you're pushing now.
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Old 07-11-2009, 10:49 PM   #3
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50 watts yes, but will that give you enough coverage for your tank. How long is your tank?
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Old 07-11-2009, 10:57 PM   #4
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3 foot out from the corner and 4 foot across from corner to corner
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Old 07-12-2009, 10:59 AM   #5
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Keep the 175's and get Iwasaki 15K bulbs. They perform better than many 250's. 1 400w is not a good setup for your tank.....unless you buy a Lumenbright type reflector and mount it about 2' above the water.
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Old 07-12-2009, 12:27 PM   #6
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Those were my thoughts, Thanks Capt.
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Old 07-12-2009, 03:06 PM   #7
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I found out this morning that my ballast and bulb are both bad. I need a new kit for the one bad side. I will be looking for a whole new setup because my other bulb needs replacing in Aug. anyway. Now the only question is to go with 2-175 or 2-250? What do you all think?
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Old 07-12-2009, 03:36 PM   #8
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Very unusual for a MH ballast to go bad. 1 of mine has been in use everyday for over 20 yrs and it still works perfect.
If you want to buy 2 new ballasts, go with the 250's, but if you want to save some $ and use your good ballast, stick with 175's.
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Old 07-12-2009, 03:47 PM   #9
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Stay with the 175 Matt.
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Old 07-12-2009, 03:48 PM   #10
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is there something i should check on the ballast?
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