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Old 07-01-2011, 05:52 PM   #1571
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So if one has a 72" hood with 4 cf bulbs, should the cf's be swapped for t5 in a diy swap or would 2 whites and 2 blues be sufficient enough for coral growth? Sorry carey, just wanna ask right quick
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my 125g Sw...Round 2!http://www.aquariumadvice.com/forums...220171-33.html
ever see someone cut a 125g in half??
http://www.aquariumadvice.com/forums...-286438-4.html
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Old 07-01-2011, 05:54 PM   #1572
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In my opinion you could keep some corals with what you have. Just not a whole lot. Upgrading to a T5 setup would be the best bet if you can do it. I have 6 bulbs on each side and that gives me good coverage of the 18" width. You are getting a 125g correct?
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Old 07-01-2011, 06:00 PM   #1573
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Yep again sorry to thread jack but just wanted to ask while the subject was up

I feel like we mineaswell wheel in a diesel powered generator and get some stadium lighting on our tanks.. I never imagined a tank needing a 12 bulb setup to support coral
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ever see someone cut a 125g in half??
http://www.aquariumadvice.com/forums...-286438-4.html
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Old 07-01-2011, 06:05 PM   #1574
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Quote:
Originally Posted by negligent_inmate View Post
So if one has a 72" hood with 4 cf bulbs, should the cf's be swapped for t5 in a diy swap or would 2 whites and 2 blues be sufficient enough for coral growth? Sorry carey, just wanna ask right quick

i woudl avoing the PC they are not nearly as bright as T5s and the optics for them is not as good.

T5s are a slim bulb resulting ina an optic that can be made the directs light much better and allows less light to reflect back into the lamp. a T5s reflectors are designed to put out most of the lamps lumens in a 3-4 inch area across the length of the lamp, which increases the amount of LUX that gets to the area, which is what makes the T5 lamos far mor superior to VHO, T8s and PC even in some cases MH but thats startign a debate that has two sides and the one side refuses to accept :P. T5 reflectors have a better optic sending all its light to a small area where the reflectors on a MH dispurse the light in a large area, loosing how much LUX is brought to an area. and allowing more lumens to spread out of the lite area. also MH produce on average less lumens per watt then a T5HO. that beign said a regular T5 non HO puts out 10% more lumens per wat then a T5HO but also put out half the wattage of the HOs
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Old 07-01-2011, 06:13 PM   #1575
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Originally Posted by Gti_Leo View Post
i woudl avoing the PC they are not nearly as bright as T5s and the optics for them is not as good.

T5s are a slim bulb resulting ina an optic that can be made the directs light much better and allows less light to reflect back into the lamp. a T5s reflectors are designed to put out most of the lamps lumens in a 3-4 inch area across the length of the lamp, which increases the amount of LUX that gets to the area, which is what makes the T5 lamos far mor superior to VHO, T8s and PC even in some cases MH but thats startign a debate that has two sides and the one side refuses to accept :P. T5 reflectors have a better optic sending all its light to a small area where the reflectors on a MH dispurse the light in a large area, loosing how much LUX is brought to an area. and allowing more lumens to spread out of the lite area. also MH produce on average less lumens per watt then a T5HO. that beign said a regular T5 non HO puts out 10% more lumens per wat then a T5HO but also put out half the wattage of the HOs

Dang, that was a mouthful.
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Old 07-01-2011, 06:15 PM   #1576
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It almost seems more economic sense to just go the led route. From what I can undersatand, yes leds are expensive to get into, but they last a lot longer and don't need replaced every year ...not to mention the energy savings
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ever see someone cut a 125g in half??
http://www.aquariumadvice.com/forums...-286438-4.html
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Old 07-01-2011, 06:19 PM   #1577
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If you have a few thousand dollars, i agree. But for the average person LED's that we'd need for excellent coral growth are out of our reach right now.
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Old 07-01-2011, 06:24 PM   #1578
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Crap...I forgot we are talkin 125g tanks here....yeah forget it. How about ill just buy 1 set of leds every paycheck for the next 6 months then ill piece them all together on a 1/4" thick sheet of aluminum and call it a day lol
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ever see someone cut a 125g in half??
http://www.aquariumadvice.com/forums...-286438-4.html
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Old 07-01-2011, 06:29 PM   #1579
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I have an LED Par38 bulb on my Pico and lemme say, the shimmer and color is awesome. No heat transfer either. Plus, as a side note, it seems the algae isnt growing as fast under the led over the 50/50 CFL I had.
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Old 07-01-2011, 06:32 PM   #1580
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It almost seems more economic sense to just go the led route. From what I can undersatand, yes leds are expensive to get into, but they last a lot longer and don't need replaced every year ...not to mention the energy savings

LEDs are at the top of the gun rack thaTs for sure, but being at the top they are also the hardest to get to, by that i mean most expensive and somewhat hardest to understand.

a good LED system for a standard 125g will run you in the few thousand dollar range, which in my opinion is not worth it yet when for a quarter of the price and half the price of MH you can run T5HOs that are still efficient and produce the same if not better coral growing numbers.

there was a thread that was moved to the general equipment forum. it was a discussion on T5s out lighting MH. i kindly narrowed down the attridute to a good reef lighting system, those being light output, PAR rating, spectrum color, efficiency, life, cost and looks. ratign each system in the different categories in my opinion leads T5s to the top of the ranking as far as total package goes. when the price of LEDs starts to fall they will slowly move up to the top but for now in my eyes they are still out of reach of 95% of the reefers.


another note, there are dimmable T5HO ballasts, which makes things easier to acclimate livestock and corals to your system and can allow you to creat a nice dawn and dusk live you are able to do with LEDs. just another plus to T5s over the outdated MH :P
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