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Old 08-13-2012, 10:47 AM   #11
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Quote:
Originally Posted by reefrunner69

Because what I recommended is the appropriate size, without knowing how well they maintain their tanks, or if they are already having nuisance algae issues it would be irresponsible of me to recommend overkill.

I had great success with a 175w mh over this tank and upgraded so I could ensure that the amount of light on my tank would not be a limiting factor.
I suppose it would also matter of type of coral being kept i agree the 175w is appropriate reccomended wattage for this size tank but i to didnt want light to be a limiting factor as mine is sps dominant agree for most applications 175 should be sufficient but ive only used 250w on mine with good results i guess the only reason i reccomended 250 was to save on upgrading later if neccassary or desirable as fixtures are not cheap
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Old 08-13-2012, 11:30 AM   #12
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Well I have a torch/frogspawn/birdsnest and some monti. I would like to get an acro or two. This is the system with just t5HOs. No algae problems, I am running a 30g tank with a 30g sump, phosban reactor, and a aquaticlife slimmer.

All my other tanks have LEDs so the halides are new to me.
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Old 08-13-2012, 11:39 AM   #13
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I would go with a 175w 14k bulb and run the t5 as actinics. If you go with a 250w make sure you have a way to reduce output if need be.
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Old 08-13-2012, 06:53 PM   #14
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What about temperature? I do like the blue look and was considering a 20k bulb.

The reason I liked the 150w bulb is its ease of finding a replacement quick, I don't see any 175w for sale here.
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Old 08-13-2012, 07:14 PM   #15
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Originally Posted by Readingexcalibur
What about temperature? I do like the blue look and was considering a 20k bulb.

The reason I liked the 150w bulb is its ease of finding a replacement quick, I don't see any 175w for sale here.
20k does have a bluer tint but you will get little to no growth out of your coral thats why i reccommend phoenix 14k bulb this bulb does have somewhat of a blue tint supplement it with actinics youll get coral growth and good color
This is my aquarium with phoenix 14k 250w reefbrite actinics
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Old 08-13-2012, 07:17 PM   #16
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Quote:
Originally Posted by danbstrong

20k does have a bluer tint but you will get little to no growth out of your coral thats why i reccommend phoenix 14k bulb this bulb does have somewhat of a blue tint supplement it with actinics youll get coral growth and good color
This is my aquarium with phoenix 14k 250w reefbrite actinics
I thought my fixture from aquatraders came with 20k odyssea bulb if i remember right its been awhile
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Old 08-13-2012, 08:50 PM   #17
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It says 15k in the description. I would just order the 20k and keep the 15k as an emergency backup.
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Old 08-13-2012, 08:52 PM   #18
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Quote:
Originally Posted by danbstrong

20k does have a bluer tint but you will get little to no growth out of your coral thats why i reccommend phoenix 14k bulb this bulb does have somewhat of a blue tint supplement it with actinics youll get coral growth and good color
This is my aquarium with phoenix 14k 250w reefbrite actinics
Just curious, do you know why I would see less growth based on the color of the bulb? I thought corals like the blue spectrum more. Just curious, I may with the 14k if that is the case.
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Old 08-13-2012, 08:56 PM   #19
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Originally Posted by Readingexcalibur

Just curious, do you know why I would see less growth based on the color of the bulb? I thought corals like the blue spectrum more. Just curious, I may with the 14k if that is the case.
Lower kelvin = better growth 10k is best for coral growth but it has a yellowish tint youll probably be fine to start off with the 15k but when you replace the bulb id reccommend a brand name bulb its much brighter with a higher par
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