The filter needs to be cleaned each six months. When cleaning your filter only change the sponge/cotton product and do not rinse out or transform any of another media during the filter. A clear up and properly-preserved aquarium is much more visually eye-catching and pleasurable to have a look at. https://modernpetshoppinguae82580.mpeblog.com/65510416/detailed-notes-on-aquarium-care-uae