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Old 01-14-2015, 03:14 PM   #1
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Par 38 Help

Are Par 38 bulbs the best for keeping all corals? If so, what wattage and beam angle should I consider, still trying to learn all of this.
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Old 01-14-2015, 03:21 PM   #2
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The best compared to what? What size tank are you trying to light?
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Old 01-14-2015, 03:28 PM   #3
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Compared to the blocks of LEDS you can buy, it's a 10 gallon nano reef.
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Old 01-14-2015, 03:35 PM   #4
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Well, you have to figure out the spread of your PAR38 lamp and what type of corals you intend to keep. I have never purchased one for corals, but I use an all white one over my refugium that I got from home depot and it's got a pretty tight spread. I have it 16 inches above the water and I'm getting about a good 12" of light. The surrounding light isn't coral worthy IMO, so you'll have to place this lamp pretty high in order to get decent coverage.
That fixture you have in your post is overkill for your tank, but you can turn it down to fit your needs. HTH.
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Old 01-15-2015, 02:20 AM   #5
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The PAR38 you get from home depot is good for refugium but not best for your display tank. What you can find there is a 5,000K bulb. You need close to 10,000k for corals. Here is one that I would recommend. It is 25 watt dimmable.

Orphek PR-25 Dimmable 6 Blue/6 White LED Pendant

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Old 01-15-2015, 07:41 AM   #6
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That wasn't my point. I was simply speaking of the spread I was getting, and not recommending this for a reef.

Per your absurdly expensive lamp-
Approximate Coverage: 12" x 12" x 12" at a suspension height of 12"
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Old 01-15-2015, 10:48 AM   #7
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Anything you buy you get your money's worth. That bulb is meant for serious nano reef keeers.
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Old 01-15-2015, 01:09 PM   #8
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Quote:
Originally Posted by jeffaquarius View Post
The PAR38 you get from home depot is good for refugium but not best for your display tank. What you can find there is a 5,000K bulb. You need close to 10,000k for corals. Here is one that I would recommend. It is 25 watt dimmable.

Orphek PR-25 Dimmable 6 Blue/6 White LED Pendant

.
Quote:
Originally Posted by mr_X View Post
That wasn't my point. I was simply speaking of the spread I was getting, and not recommending this for a reef.

Per your absurdly expensive lamp-
Approximate Coverage: 12" x 12" x 12" at a suspension height of 12"
^^ I completely agree
Quote:
Originally Posted by jeffaquarius View Post
Anything you buy you get your money's worth. That bulb is meant for serious nano reef keeers.
In all honest, its insane to spend 130 dollars on a bulb. get a 70-80 dollar par38 from a website like rapidled and it will do just as well on a nano reef. Just because something is more expensive does not mean that is is better.
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Old 01-15-2015, 01:35 PM   #9
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If it's dimmable then yes that's a good price.
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Old 01-15-2015, 01:39 PM   #10
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If it's dimmable then yes that's a good price.
im not sure if it is or isnt dimmable tbh, whoever i would not be willing to spend an additional 50-60 dollars to get it to be dimmable.
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