LED Lighting - DIY Style - Page 5 - Tropical Fish Keeping - Aquarium fish care and resources
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post #41 of 47 Old 04-06-2012, 10:01 AM
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That tank is lovely, nice work.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #42 of 47 Old 04-06-2012, 10:06 AM
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Have you a link to the schematic you found online?
Thanks!
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post #43 of 47 Old 04-06-2012, 11:12 AM
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Glad this has been a success for you. Love it when experiments turn out!
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post #44 of 47 Old 04-06-2012, 02:32 PM
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since they looked better under the cool white, have you thought about just adding 3-8 (cheap) blue LEDs to help balance? make sure they're wide-angle, and somewhere close to 460-480nm would be ideal for PAR...

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post #45 of 47 Old 04-06-2012, 02:52 PM Thread Starter
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Have you a link to the schematic you found online?
Thanks!
This is where I got the basic idea: Specs & Function

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since they looked better under the cool white, have you thought about just adding 3-8 (cheap) blue LEDs to help balance? make sure they're wide-angle, and somewhere close to 460-480nm would be ideal for PAR...
I haven't thought of adding anything more. "Regular" led's wouldn't be bright enough, and power LEDs would need the heatsinks and another constant current source. So it isn't as easy as just plugging them into the existing circuit.

These LEDs have their peak intensity in that range already though. It's actually red that is really lacking with these LEDs. On the first page of this thread is the color spectrum.
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post #46 of 47 Old 04-06-2012, 04:11 PM
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I was just thinking of balancing the color to our eyes, since I thought you mentioned you didn't like the color..

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post #47 of 47 Old 04-06-2012, 05:29 PM Thread Starter
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Ahh, it's grown on me some, just takes some getting use to. The original bulb was an 8000K and had kind of a purple-ish hue to it. I didn't like the purple, but the tetras were a deeper red under it. I think they've adjusted some though because they are a nice red color again.
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