simple LED light rail question
im completely new to this hobby, and am looking to purchase 2 ai sol LED modules for my 70 gallon 36"Lx24"Hx18"D tank.
what im wondering is, should i be getting a 36"L light rack with the hanging kit, or 24"? theoretically, the 36 inch rack would be a waste, since i wouldnt be putting the lights at the extreme ends of them, otherwise light would be wasted in that it wouldnt even be going into the tank. therefore i should only need a 24" rack, centered, above the tank, right?
am i wrong in this way of thinking?
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