How do you get water out of the aquarium? - with the biOrb cleaner pump. This powerful cleaner pump is simple for everyone to use, you do not need super human strength or four arms to get it working! The cleaner pump makes partial water changes easy and effective with minimum effort. A couple of squeezes on the hand pump is all that is needed to get the pump working. Whilst emptying water from the aquarium the cleaner pump will also suck up dirt and debris from the bottom. The cleaner pump can also be used to pump water back into the aquarium, eliminating the need to struggle with heavy buckets of water.