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Unread 11/25/2009, 11:23 AM   #1
goodtimes
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Par 38 LED spotlights

I came across these Par 38 LED spotlights on Nanotuners. They look great and are priced well considering they are suppose to last 4 to 6 years and use hardly any electricity. I emailed them and it sounds like I can use a couple of them for primary lighting on a 24"x16"x12" tank. What do you think of them.


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Unread 11/25/2009, 11:46 AM   #2
KafudaFish
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I have looked at them too for a project that is in the back of my mind. They are in the process of changing the optics to give a wider coverage (fewer bulbs) and not have to hang the lights so high. If you could light your tank with a pair then you are talking the price of a 250 kit with only 42 watts of electricity.

Please post their answer.


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Unread 11/25/2009, 12:42 PM   #3
goodtimes
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This is the response I got from Nanotuners...

The PAR 38 lamp can handle any corals you want, but it really depends more on how many you run for a given system and how close to the water the light(s) is. You could use one or more as primary or supplemental lighting. Its really up to you. Under standard operating conditions, the LEDs should last 4-6 years depending on how many hours the lamp is run. The warranty on the lamp is 6 months. Yes, the lamp provides the same shimmer as HQI lighting. The two primary configurations are 12k (3 white/2 blue) and 20k (3 blue/2 white). Yes, all five LEDs are in one lamp. It uses a standard e26 socket, which means that any fixture out there that you can screw a standard light bulb into will work.

So I am still not convinced 100%. I asked for some pics from them of tanks lit with these.


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Unread 11/25/2009, 12:44 PM   #4
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My biggest concern is coverage, I guess I can wait unitil the new ones are out. I wonder what the price difference might be.


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Unread 11/26/2009, 08:36 AM   #5
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Just want to bring this back to the top to try and get some input. I am really close to ordering but would like some input. I know on some other threads people were excited about japenese spotlights so I thought they may like these.


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Unread 11/26/2009, 09:51 AM   #6
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Im gonna follow this thread up close since those par38 lamps are made by Evilc66 who is known to be the LED guru on nano-reefs.

Gonna wait for the new optics mentioned and might order one...


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Unread 11/26/2009, 12:52 PM   #7
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It would be nice to have a scale that would show the coverage of a single lamp at a set height. I am looking closely at these as well. I have a 24x24x16 and I was thinking 4 of them about 10" above the water.


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Unread 12/02/2009, 01:52 PM   #8
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goodtimes: evil has a long thread at nanoreef on LEDS...its really good (but long)


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Unread 12/02/2009, 06:29 PM   #9
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Awsome... I will definitelly get at least one in the future...


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Unread 12/02/2009, 06:42 PM   #10
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so can these do more than suplement sps? i would love to run only LEDs but have yet to be convinced. it took my a while to trust the t5s to haha


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Unread 12/02/2009, 06:50 PM   #11
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I think this is awesome, when I set up a nano, I will definitely be looking into these.


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Unread 12/02/2009, 07:48 PM   #12
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I am considering using these on a track light to replace a dual 150w DE MH setup on a gallon rimless tank. How many of these would I need to more or less be equivalent to two 150 MHs?
I assume the LEDS would work with the HA120 track light head for sale here http://www.ledgrowlights.com/sales_retail.htm ?


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Unread 12/02/2009, 08:53 PM   #13
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I just got one of these in the mail today. Thanks, EvilC.

This is the 20,000K Version (2W/3B). These pictures are to show the spread and intensity, not the color! (As others have noted before me, it's tricky to get cameras to capture the true colors of LEDs... it'll take some tweaking.) The actual color is a very crisp Blue-white.

This is a 24"x12"x16" deep 20g tank.
Here is the light 12" over the surface:


Here it's 6" over the surface:



The light is very bright, especially in the center. The shimmer is very strong and the color is great.

As it stands now, I'll probably redo my aquascaping to take more advantage of the spotlight effect.


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Unread 12/02/2009, 09:07 PM   #14
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I have a 20g 24x12x16 tank also and like those lights but they seem very fucused in the pictures. Too focused really. IS that just from the effect of the camera or are they really that spotty?

What do you think about having 1 at either end of the tank but pointing at the opposite side? Would 2 be overkill on such a little tank?


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Unread 12/03/2009, 08:55 AM   #15
Tang Salad
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Quote:
Originally Posted by Hamerhed View Post
I have a 20g 24x12x16 tank also and like those lights but they seem very fucused in the pictures. Too focused really. IS that just from the effect of the camera or are they really that spotty?

What do you think about having 1 at either end of the tank but pointing at the opposite side? Would 2 be overkill on such a little tank?
In reality the transition from the brightest area to the dimmest is much more subtle. It's not quite as dramatic as the photos show, but it's still a spotlight. Don't forget though, it's designed, marketed and sold as a 'spotlight'.

I think 2 on a 20g would be excellent.


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Unread 12/03/2009, 09:37 AM   #16
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Those pictures are awsome, Im definitelly gonna wait for the newer optics to come out for a wider coverage...


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Unread 12/03/2009, 09:43 AM   #17
Tang Salad
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I'd like to know, maybe EvilC can answer, but can the optics be easily switched out?


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Unread 12/03/2009, 09:57 AM   #18
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Tang salad,

How do you think the coverage would be on a 12" cube?


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Unread 12/03/2009, 12:38 PM   #19
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Quote:
Originally Posted by Tang Salad View Post
I'd like to know, maybe EvilC can answer, but can the optics be easily switched out?
One of the reviews that I read said that they could be changed.


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Unread 12/03/2009, 05:32 PM   #20
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That is a very good looking light. I can see lots of applications, will have to keep it in mind for the future.


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Unread 12/03/2009, 06:40 PM   #21
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Where can we purchase these?
So i want to light up say my tank at 6 ft by 3 ft how many would i need?
Thanks


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Unread 12/03/2009, 06:47 PM   #22
gotfrogs
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Quote:
Originally Posted by Creetin View Post
Where can we purchase these?
So i want to light up say my tank at 6 ft by 3 ft how many would i need?
Thanks
You can buy them here: http://www.nanocustoms.com/product_i...roducts_id=213


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Unread 12/03/2009, 07:45 PM   #23
Tang Salad
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Quote:
Originally Posted by kmu View Post
Tang salad,

How do you think the coverage would be on a 12" cube?
It would be beautiful. In fact, I can't imagine a better light for a 12" cube. And I've played with plenty of lights in my time.


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Unread 12/03/2009, 09:09 PM   #24
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Tang Salad or Evilc66... How many degrees spread are the ones in those photos?


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30lbs LR, chaetos, 6 astrea
96w T5HO

2 clarkii clowns, 1 firefish, 1 blood shrimp
red, blue and hairy mushrooms, frogspawn, Pumping Zenia, Blue Snowflake, Zoanthids, Hammer, ricordia, cocoa worm, blue ridge, Candy Cane, Green Acropora

Never mind your tank let me see your sump

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Unread 12/03/2009, 10:08 PM   #25
Tang Salad
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Quote:
Originally Posted by Hamerhed View Post
Tang Salad or Evilc66... How many degrees spread are the ones in those photos?
I'm fairly certain these are 40.


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