I was thinking about refitting a 10 gal aquarium with new lighting from the AH store, but I'm not sure how this works. I found a product that is 36 watts, and it says it will fit on a standard 10 gal aquarium. I know I have to do some work on it when I get it also, but I'm not sure what the set up would be. Do I install the light and fixtures and stuff into my existing hood, or do I have to buy another hood to accomondate the fixture and ligthing? For those of you who have done this before, could you help? I have a hood that is plastic and has a place for the light, so do I just order and redo the hood I already have? Or do they send me a new hood? Well, thanks for your help.