Show Us Your LED Tanks

[ReefOcean]

Originally Posted by StirCrazy

now as for heat sinks, nothing to do with the surface area, but rather with the amount of watts dispersed per square inch. using a 3 watt LED on a star you want a heat sink that will disperce a min of 3watt / sq in I see most are up around the 6watt/sq in, and you can use air movment to increase this value.

Cree Leds are all over the map now for lumens. Some are 106, some are 230, some are 350. All are considered "3 watt". You can save money and get 3-ups. which I would cosider as 1 Led. So really, the amount you need depends entirely on the emitter you are using.