Actually, probably one of the only real downers i can think about LED's setups is that if any of the LED's burn out, they can't be replaced, and if enough of them burn out, or weaken enough over time, you have to replace your whole unit...
Not the most ideal for plants, but Aqueon leds are modular meaning you can replace or change from a single to 3 separate led strips per unit in 4 different colors.
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