07-28-2009, 12:38 PM
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I use a cheap little white led from a novelty light. There's only one, but it's very bright...and my tank is small. Has a low voltage power adapter so I don't have to worry (as much) about killing me or my fish if it gets wet or falls in. LED strands are getting so cheap, not much point in making them yourself unless it is to make it yourself
LED's are very easy to work with...you could make a strand yourself with nearly any wall adapter and some resistors. Lots of schematics online.