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#1
03-13-2006, 02:04 AM
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MH lights - what rating?
just wondering what Kelvin rating people would suggest that I purchase for my tank
i have 2 400 W MH and 2 110 VHO Act it is over a 90 G tank with mixture of coral and fish should i go with a 10 k, 12 K or 20K what is the difference really? what would each do for the tank? Any info would be appreciated As well, how can i tell what kind i have now..as in a probe start? or a pulse start basically what kind of ballast that i am running thanks Neal
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Way too much time and money has gone into this hobby....and yet, I CAN'T STOP Last edited by howdy20012002; 03-13-2006 at 02:06 AM. 
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#2
03-13-2006, 02:16 AM
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I do not know if this is true becuase i run 14k MH, but I have heard that corals will grow faster under 10k lights but not have the color of 20k lights.
Under 20 K lights color is the best but growth is slow. I personaly went for looks in my tank when i set it up, coral growth is not to bad. Maybe other people who have run different bulbs can give there input on color and growth.
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#3
03-13-2006, 02:58 AM
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I'm debating on choices for new bulbs right now too. I've been running 10Ks, but I'm not happy with the white colour. I Plan to go to 14, 15 or 20K bulbs. I Just need to figure out which. If the corals grow slower but look better, thats fine by me.
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I retired and got a fixed income but it's broke. Ed _______________________________________ 50 gallon FOWLR, 10 gallon sump. 130 gallon reef, 20 gallon sump, 10 gallon refugium. 10 gallon quarantine. 60 gallon winter tank for pond fish. 300 gallon pond with waterfall.
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#4
03-13-2006, 03:02 AM
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Ed, feel welcome to come by and see the Phoenix bulbs I'm running, if you are considering them at all. Really happy with the color, and the corals seem to be doing pretty well.
Neal the K is sometimes just what is appealing to you, and/or what is best for your corals.
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http://www.canreef.com/ftotm/sept05/index.php
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#5
03-13-2006, 03:21 AM
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Quote:
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Bob ----------------------------------------------------- To be loved you have to be nice to people every day - To be hated you don't have to do squat. ---------Homer Simpson--------
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#6
03-13-2006, 03:23 AM
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Quote:
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Bob ----------------------------------------------------- To be loved you have to be nice to people every day - To be hated you don't have to do squat. ---------Homer Simpson--------
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#7
03-13-2006, 04:44 AM
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actually your corals will probably grow better under 6700k lights but they look like crap.
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Given sufficient thrust pigs will fly just fine. 90 Gallon LPS tank - Challice, Acans, Favia, Diplo and Zoos 125 Gallon SPS Coming Soon!
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#8
03-13-2006, 07:08 AM
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Higher K, more watts. Simple. I have a 16 gal nano with a 175 watt 20k and it looks great, and growth is good (1 polyp candy has grown to 19 polyps in 8 months, 1 polyp torch to 4 polyp in 6 weeks). I am upgrading a 400 watt 20k so I can keep SPS corals (I say Josh's cat's paw and fell in love!) But that's my 2 cents... 20k all the way!
-Pauli
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_______________________________________ Have a good one!
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#9
03-13-2006, 07:50 AM
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Quote:
The temperature rating of a bulb has no correlation to wattage. A bulb consuming 175 watts will remain the same regardless of the bulb's kelvin rating. Personally, I find 20k kelvin bulbs are decent looking on well stocked tanks. If you're running a 'bare bone' tank with not much live rock and corals, then you'll get nothing but glowing blue sand. It is really preference. Take up some of the member's offers and go take a look. It's the only real reference you'll be able to get.
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George Last edited by jws444; 03-13-2006 at 07:52 AM.
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