Hey Mum. The filter floss we layed over the eggcrate is too much, as per this link we really only need a small wad of floss at the first half where it overflows. The idea I guess is if the floss gets too gunked up the water will begin to flow over the last half and the level of the display will not get too high and worrisome!
http://www.nano-reef.com/forums/inde...&#entry2196117
