Cute Fish Tank is undoubtedly one of the most interesting games for girls this year. If you need to learn how to clean a fish tank, then you must not miss this game! Clean the water filter and expel all the unwanted elements in it. Scrub the glass with soap and remove all the dirt and moss by sweeping them. Clean other toys and aquarium tank elements by soaking them in a bubble soap and rinsing them with fresh water. Fix any loose wiring on the lamplight. Wipe the clean fish tank with a towel to dry it up then now it's ready, put freshwater into it.