Globe Tank Top Filtration Cover with LED Light Rinse and place all gravel and decorations into your Aquarium prior to assembling the Top Filtration Cover. Place Protein Skimmer Cup on the fitted area adjacent to the filter media section. Place the Filtration cover on top of the Filter Media section. Remove, rinse and replace the Sponge Filter Media prior to starting the setup process. Pour water into tank up to fill line or 3 inches from the top and let sit for 24 hours.