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#2
03-24-2009, 07:21 PM
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Greg, I see you have the 6 x T5 Tek.... 48" I assume since you have a 90 gallon tank. Is there any reason why you did not go for the 8 bulb fixture (other than cost perhaps...). Are 8 T5s too much light for a 90?
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#3
03-24-2009, 07:29 PM
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I really debated about going with the 8 bulb fixture when I bought my TEK, but with the standard width on the 90 I figured that the extra bulbs on the end would be wasted as more light would spill to the outsides of the tank rather than in, especially with eurobracing.
Some days I regret not getting the 8 as it would have added just a little extra par but I am happy with the 6. The 8 bulb wouldn't work out to that much more $$, I think they are about $50 more than the 6 bulb but then I guess you can add on another $60 for the two extra bulbs.
__________________
- Greg 90G : Light - Tek 6xT5 | Skim - EuroReef RS135 | Flow - 2xVortech MP40W | Control - Reef Keeper 2
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#4
03-24-2009, 07:38 PM
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OA has the 8 bulb fixture on sale for only $14.70 more than the 6 bulb, plus the extra cost of two bulbs of course. Seems like the way to go.
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#5
03-24-2009, 07:42 PM
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I have been meaning to ask this question for sometime now, and this thread is the ideal place to ask.
From what I have read, T5 bulbs should be replaced approximately every 12 months. Why?? Is this based on quantitative measurements, or is it because Joe's Fish Store needs to sell you new bulbs once a year for his kids college fund?
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#7
03-24-2009, 07:47 PM
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Quote:
 Quote:
 I really think this is overkill.A year seems to be ok but they do really lose a great amount of par.. I need to find the post by ihavecrabs, he did some par readings on his old T5's just before he changed them and then the new readings, it was really a big difference.
__________________
- Greg 90G : Light - Tek 6xT5 | Skim - EuroReef RS135 | Flow - 2xVortech MP40W | Control - Reef Keeper 2
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#8
03-24-2009, 10:07 PM
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T5 comparisons
I have been an advocate of T5's for some time now. I have never used metal halides over a reef tank, only reptiles, so I can't really comment on T5's vs. MH's. I get good growth, great colour rendition which I can tailor to suit my likes. Here are my tanks that are on T5's. I apologize, my quick editing has left the tanks looking dull, and they are much more vibrant in person.
85 gallon display: Top AquaScience Blue 22000 AquaScience Special 15000 KZ Fiji purple AquaScience Special 15000 AquaScience Blue 22000 AquaScience Blue 22000 BOTTOM Two 4" fans running air across the length of the bulbs. Dawn/Dusk Bulbs  Dawn/Dusk Tank  Daytime Bulbs  Daytime Tank  40 gallon Frag Tank TOP KZ New Generation AquaScience Blue 22000 KZ New Generation AquaScience Blue 22000 BOTTOM Open to air, no active cooling (I will add fans at some point, I'm just lazy right now) Bulbs (I was running 2 Fiji Purple instead of the instead of the AquaScience Blue 22000 but I switch to get colour instead of growth)  Tank  10 Gal Canreef Contest Tank AquaScience Blue 22000 AquaScience Blue 22000 Two 3" Fans drawing air out of the hood. Bulbs (Notice the difference between the left and right bulb. The one on the left is 5 months old; the one on the right is brand new)  Tank  Last edited by Scythanith; 03-24-2009 at 10:20 PM.
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#9
03-24-2009, 07:43 PM
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Quote:
Greg, you KNOW what you need....don't fight it.
__________________
Brad
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Hybrid Mode
