160 Gallon DIY LED Help - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 03-03-2016, 11:17 PM Thread Starter
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160 Gallon DIY LED Help

Hello TPT friends,

I'd like to build a nice LED fixture for my 160 gallon cichlid/turtle tank.
They don't chomp or destroy plants, so if I put something in there that grows pretty easily it should be alright.

I'll be redoing the aquascape sometime in the near future and putting down a different substrate (currently it's river pebbles and pool filter sand).

The research so far seems to indicate that the Bridgelux Vero's are the best bang for the buck for medium lighting. Is this correct?

If I go with Vero 29's, I'd like to use (3) 5000k and (3) 2700k. Is this too much for my tank?
Less LED's make it easier for how I want to cool them, but having better spread is also important.

The Vero 29's are a bit out of my budget considering I want to build something on top of the aquarium for plants to grow using aquarium water (and for the turtle to walk around in) and this area will also need to get lit. I can hold off on building that if the 29's are worth it.

Any advice is greatly appreciated!

Thanks
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post #2 of 4 (permalink) Old 03-03-2016, 11:47 PM
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Yes and no, though much of this is a bit user dependent..
Drivers and power supplies get more complicated and pricey. If one wants optics, the same.. not easy to find and pricey...
Recommended drive current is 2100mA at 38V..
to power them off one power supply means it needs to be at least 48v (or an adjustable 36) and 13-14A (672W)

The diodes themselves are reasonable though..

do the driver research..Doing individual Meanwell hln80h-36 for example (adj to 40V) cost $42 each.. and you would need 6. $252 in drivers but dimmable.
Now it is not unreasonable BUT.. needs to be thrown into any cost/benefit analysis..
http://www.mouser.com/ds/2/260/HLN-80H-SPEC-805979.pdf

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post #3 of 4 (permalink) Old 03-04-2016, 02:02 AM Thread Starter
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Quote:
Originally Posted by jeffkrol View Post
Yes and no, though much of this is a bit user dependent..
Drivers and power supplies get more complicated and pricey. If one wants optics, the same.. not easy to find and pricey...
Recommended drive current is 2100mA at 38V..
to power them off one power supply means it needs to be at least 48v (or an adjustable 36) and 13-14A (672W)

The diodes themselves are reasonable though..

do the driver research..Doing individual Meanwell hln80h-36 for example (adj to 40V) cost $42 each.. and you would need 6. $252 in drivers but dimmable.
Now it is not unreasonable BUT.. needs to be thrown into any cost/benefit analysis..
http://www.mouser.com/ds/2/260/HLN-80H-SPEC-805979.pdf

That seems like a ridiculous amount to spend on drivers alone!

I'll go with 6 Vero 18's for now.

(3) 976-1287-ND 5600L Vero 18
(3) 976-1249-ND 2700K Vero 18
(6) XTEARY-00-0000-000000L01 Cree XT-E Royal Blue
(8) LDD-1500L Mean Well Drivers

Can you recommend a power supply (or two) that can handle this?
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post #4 of 4 (permalink) Old 03-04-2016, 04:08 AM
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First stick w/ the ldd-h's which top out at 1000mA..
Why?
1 18's will be easier to control the heat
2 Work w/ blufish wireless controller lite..
3) Have a higher voltage range i.e. L's are only good to 36V...which means their output is limited to 32V
4 Cheaper power supplies (based on 6 x 1 x 1.1(fudge factor of 10%)= 6.6A:
SP-320-36: MEAN WELL: Power Supplies & Wall Adapters
3553 (rough ave)x 6= 21,318 approx lumens..

1500 ldd-l
THEY work just fine in this circumstance but are less flexible..
soo if you go w/ ldd-l's you need 36v and 1.5x 6 x1.1 = 10A

4514 x 6 = 27081 (@1400mA) so lets round it to 30,000
a bit overkill but just a quick find. Probably can find cheaper btw. Don't mean to scare you..:
HLG-600H-36B: MEAN WELL: Power Supplies & Wall Adapters

Better:
$112
http://www.jameco.com/webapp/wcs/sto...FZQjgQodLm0JpA

so it is $60 vs $112 for the PS...
Drivers are about the same cost.. roughly $7 each x 6 = $42..

A build:
https://www.plantedtank.net/forums/20...led-build.html
Quote:
TDK/Lambda 48V/21amp power
You really don't want to know what that costs..
Smaller version:
http://www.mouser.com/ProductDetail/...FVg6gQoda3wEFw
http://www.mouser.com/ProductDetail/...fweugvwQ%3d%3d

opps forgot to add the blues in.. either add 2A or 3A .. ps still are good ..EXCEPT for the cheaper hp one.. a bit short at 12.5A.. Just adjust the blues to 1000mA drivers..
8.6A or 13A (Subtract 1A if changing blue drivers to 1000mA =12A, not really worth spending $70 extra $'s on the blues)

"A man with a watch knows what time it is. A man with two watches is never sure."

Last edited by jeffkrol; 03-04-2016 at 05:28 AM. Reason: edit
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