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Old 08-10-2014, 06:10 PM   #31
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Check the info and reviews here:
Current USA Orbit Marine LED Saltwater Reef Lighting System: Aquarium LED Light Fixtures
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I wonder why tough corals are called hammers, and weak corals are called buttons...

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Old 08-10-2014, 06:14 PM   #32
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Are they growing acropora under it? Currents own site states it can't do light demanding sps...
Every forum review I've read has ppl with 2 growing sps on very shallow tanks. I find it hard to believe that one is growing sps on a deep tank with the poor par it puts out. But hey prove me wrong

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Old 08-10-2014, 06:27 PM   #33
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They arent currently growing any acro but I've seen it in the tank a few times before.
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I wonder why tough corals are called hammers, and weak corals are called buttons...

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Old 08-11-2014, 01:33 AM   #34
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The Orbit LED light is limited to soft corals. Here is the reason why. It never mention the total wattage of the fixture but I can tell it has only 1-watt LEDs. There is no way it can have more than 200 watts total. Since the 48 inch fixture has 192 LEDs anyone can do the math to figure out the wattage of each LED. It has all the extra goodies that you pay for but it is only good for shallow tank.
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Old 08-11-2014, 02:32 AM   #35
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Quote:
Originally Posted by jeffaquarius View Post
The Orbit LED light is limited to soft corals. Here is the reason why. It never mention the total wattage of the fixture but I can tell it has only 1-watt LEDs. There is no way it can have more than 200 watts total. Since the 48 inch fixture has 192 LEDs anyone can do the math to figure out the wattage of each LED. It has all the extra goodies that you pay for but it is only good for shallow tank.
With no offense intended, I'm 15 years old and I know that wattage isn't necessarily what to measure here.

Compare a 48 inch T5 fluorescent tube to a 48 inch T12 fluorescent tube... Nearly the same wattage, but the T5 can beat out the T12 by almost 4x.

With this in mind, let's look at wattage again. With LED lighting in an aquarium that is 24" deep or shallower (My 55 falls right into this), only 1 watt per gallon of LED lighting is needed for LPS, most SPS, and softies. The structure I have emits 46 watts. Now look at this review of the product on a 100 gallon tank.

http://www.amazon.com/review/RQPU5U7...#RQPU5U7CXPJWO

Even given the fact that he has another lighting system with it, it still seems odd to me that everyone who actually owns this lighting system loves it, and everyone who is reviewing it just rags on it. I can safely say, I'm going to be growing montipora and bubble coral with ease
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Old 08-11-2014, 02:38 AM   #36
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Par is much more relevant than total wattage. The par values suck lol. Right off currents site. I also can't take a guy whose had a light for a month with another light on the tanks review seriously. If he had growth shots, types of sps, etc. it may be different. I just remember Carey having it and slowly losing a hydno under it on a 40 breeder. It will maybe grow monti caps and digitata. Honestly I'd love to see some proven results with it. If you can help out the community here by testing it that'd be great!

Edit: I feel these lights just really need to be put to the test as there is like no info or pics on sps growth with them. I've been looking lol.

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Old 08-11-2014, 02:50 AM   #37
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Here is one of the reviews of that LED light

2 of 2 people found the following review helpful
Don't buy this.
By MLon June 16, 2014
Verified Purchase
Don't buy this unless you have 12" tall tank. I bought this for my 90 gallon tank (24" tall) and the bottom of the tank is still very dark. Light is weak. I can't return it because I don't have the original box they shipped with.

A simple explanation to this is that if you have two 1-watt LEDs they will cover twice the area but each one will only penetrate the water about half the penetration of a one 2-watt LED. They may look brighter but only for a shorter distance.
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Old 08-11-2014, 11:20 AM   #38
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Quote:
Originally Posted by jeffaquarius View Post
A simple explanation to this is that if you have two 1-watt LEDs they will cover twice the area but each one will only penetrate the water about half the penetration of a one 2-watt LED. They may look brighter but only for a shorter distance.

That unit uses 192 LEDs for a total of 46 watts, that means they're running the LEDs at ~.25w each which is terrible. Quality units run the LEDs at 2w apiece, so the lights are actually strong enough to penetrate the water. I'll see if I can find the pur chart I saw on another forum for this light, it's pathetic and makes the par map it puts out look good. Despite what your lfs tells you, this light will not support sps long term.

Quote:
Originally Posted by bribo12 View Post

Edit: I feel these lights just really need to be put to the test as there is like no info or pics on sps growth with them. I've been looking lol.

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I think that's probably because they pull the light after a few months once they start seeing a little browning out the corals. Wouldn't you if your ORA beauties started to but hopefully Carey will chime in, and she can give her reason for pulling it.
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Old 08-11-2014, 11:26 AM   #39
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It really must depend on the aquarium you are putting the lights on then, I've got a 55 that's about 18 inches deep and honestly, the light touches the bottom a little too much IMO lol, the reflection off of the sand is a bit blinding. Plus, not only have all of my zoas and xenia popped, but the green hammer I just bought is looking bigger than when I bought it. Of course that might just be because it was in close proximity to other hammers and random corals before. Either way I think I'll just test these lights out with my LPS and SPS and post some pictures eventually, maybe it will support the positive or negative side of things.
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Old 08-11-2014, 11:29 AM   #40
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Pur sure is the actual measurement that people should be interested in when it comes to keeping coral. That would be quite interesting to see, as you don't see it very often as the meters are expensive.
Besides that, it will be interesting to see how this unit performs for you. One way or another, it will make your tank look great. LEDs sure make things shimmer and brighten things up. If it keeps coral above softies will be the proof in the pudding and time will tell. Please keep is updated.


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