Stupid question about water change and sponge filters. When filling the tank do you go tap water (city water with chlorine) directly into the tank and then add Safe or Prime or something along those lines? Is the amount of chlorine that is introduced during the filling process enough to kill the bacteria required for the Nitrogen Cycle? If you have to dechlorinate the water before it hits the tank, how do you go about it? That sounds like a huge pain in the..