Another DIY LED moonlighting - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 2 Old 07-01-2012, 02:55 AM Thread Starter
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Another DIY LED moonlighting

Finished this last night. Thought I'd throw it out there for those thinking about trying it. After reading several other DIY threads I took the plunge. Ordered my blue LEDs from - Evil Mad Science Shop

Used this LED calculater: LED series parallel array wizard and got some resistors from Fry's.

With my setup, 20 gallon and DIY CFL lighting, I didn't have enough room in the hood to put the LED's, so I just mounted them on a cut piece of wood on the the back of my aquarium. Sealed/glued the LEDs and wiring with some clear silicone adhesive.

Added a 500 ohm potentiometer to lower the lighting in case it was needed. Glad I did, cause it ended up being a little to bright I thought. One thing that was really cool after I got it setup and installed was one of the LEDs was shining right above where my HOB Fluval filter was dispensing. Made the light glimmer and move, creating a under-ocean effect. Maybe I'll add a power head later to accentuate the affect with the rest of the LEDs. Used an old cell phone charger for the power supply.

Anyway, I was pretty pleased with the result. It was all fun and games while I was enjoying my labor till my beautiful yellow guppy took a 3 1/2 foot header out the back of the tank onto a concrete floor. He was swimming a little funny for a while after I put him back in. lol. Maybe he was pissed at the LED's. Here are a few pics (I hope). The tank pic was at max luminosity. Turned it down after taking the picture. Let me know if you guys want more details or pictures.

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post #2 of 2 Old 07-09-2012, 03:59 AM
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Looks great! I've been thinking about doing something like this for a while now - seems that it was a fairly simple process for you to get it all up and running! Sorry about the poor little guppy :/ I hope he's alright - guess moonlighting can be dangerous!
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