I recently went from a 7.5gallon to a 10 gallon salt water tank. I didn't like the 12x12x12 the 7.5 had. I got the 10 gallon from walmart. with the led lights. I already know the lighting will not be adequate for anything other than to see the fish. I cannot get my old light to fit onto the new tank. thinking of buying a completely new fixture. what's everyone's experiences with nano lights. keep in mind I want to be able to keep corals I'm the near future.( ps. what's a good circulation pump to use for a standard 10 gallon?)