04-10-2008, 05:37 PM
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Just remember to get the right spectrum lightbulbs- most of the ones you can buy at a hardware store just aren't going to cut it. 67k is the optimum light you want for a freshwater tank.
Reflectors are basically mirrors that shine all the light down into the tank instead of all over the place. The lights you have right now probably have white plastic ones, which don't work very well. The ones from AH are extremely efficient- they're very shiny and shaped to bounce all the light back into your tank. It means you get a lot more bang for your buck (or your electricity bill at least).