| Reef Builders Forums » Saltwater Aquariums » New to the Hobby (Getting Started/Setting Up) » MH bulb replacement question |
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07-27-2007, 05:59 PM
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 MH bulb replacement question I have a three month old Current USA, Outer Orbit light with 2 150w 10k MH and 4 39w T5 (2 blue /2 white) over my 65 gal (36x18x22h) SPS reef tank. I don't like the brownish tint the 10k light puts in my tank. I’ve seen a comparison of 10k, 14k and 20k in tanks at a LFS and they all look significantly different (progressively better as you go up in k). Before I order replacement bulbs I would like a second (3rd, 4th, 5th.... ) opinion. Should I go with 20k and deal with the reduced par or should I go with a 14k with a higher blue output like a Phoenix? Thanks  |
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07-27-2007, 07:12 PM
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| Re: MH bulb replacement question Most of your LFS use a 20k. Its more purple. Corals look amazing under this light. if you go blue or white there colors will become less bright and vibrant IMO. I would go with 20k |
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07-27-2007, 07:39 PM
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| Re: MH bulb replacement question The light I'd like to have is almost colorless. Maybe it's actualy blue but I just can't see it. |
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07-28-2007, 11:26 AM
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| Re: MH bulb replacement question I would go with the 14k Phoenix. Thats what I use and it is an awesome bulb. It has enough blue to make your corals look good and enough sun to grow them.
__________________ I've learned more about this hobby than the stuff I go to school for. |
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07-28-2007, 11:42 AM
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| Re: MH bulb replacement question I have the the Current Outer Orbit 24" with one 150w hqi and 4 t5's on my 30gal reef and the 10,000 that came with it was too yellow for my liking so I ordered Giesemann Megachrome whitish blue in 14500K and very happy with color and growth rate of my Acro's and clams. I have had this bulb for two months and my green slimer has grown 1/4 inch in that time. All my corals seem to really like this light. Just my observations GoodLuck |
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07-28-2007, 04:35 PM
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| Re: MH bulb replacement question I'm a 20k kinda guy here... I love it BLUE |
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07-28-2007, 08:57 PM
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| Re: MH bulb replacement question I "hear" , SPS corals do better under 14k than 20k due to he higher par...do you agree? This would be my only reason for going with a 14k over a 20k. |
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07-29-2007, 01:21 AM
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| Re: MH bulb replacement question been with 14k for five years now love them |
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07-29-2007, 01:28 AM
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| Re: MH bulb replacement question I have phoenix 14k's running on mine, very blue.
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07-29-2007, 12:52 PM
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| Re: MH bulb replacement question Anybody ever see a web site that shows the differances in 10k, 14k and 20k bulbs? |
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07-29-2007, 02:01 PM
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| Re: MH bulb replacement question I dont know of any but Krazy K has 20k and Ryan has 14k you can look and compair there tank pictures maybe... |
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