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#1
11-30-2008, 12:03 AM
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t5 will give off less heat for sure, the hqi 150w will be sufficient even a 70w however it may get warm in the summer also if you want more colour out of the hqi go with 20k. If it was my choice I would go with a hqi for a small tank, if your tank was wider like 3ft then t5
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Always looking for the next best coral... 90g starphire cube/400mhRadium20k/2 XHO/2x27w UV/2x39w T5/ 3 Trulumen led strips 
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#2
11-30-2008, 12:09 AM
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Honestly the best way to get an idea of what you want is to go to a store or a persons house an look at the difference in t5 and MH. Bulb choice with t5 also makes a dramatic difference, as well as good individual reflectors. There are crappy MH and T5's out there so be sure an do your homework
 . Honestly for a small tank the viper would be okay, but for a 29 i would go 150 watt at least, the color from the 70 watts is not very nice. Pendants would work nicely for you tank, and they have a lot of flexibility. Some people, just cannot live without the shimmering effect of MH, while this is recreatable with LED'S, it is not the same visual. You might end up being part of the shimmer crowd.
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I once had a Big tank...I now have two Huskies and a coyote
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#3
11-30-2008, 12:38 AM
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its simple do both.
 get the best of both worldsUse the 150 watt HQI for the main light and get a two light T5 retrofit set up to use as actinic lighting. T5's do not put out the same intensity of MH but they will grow anything, although Mh with grow it faster. Steve
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 *everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*Some strive to be perfect.... I just strive.
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