A tank filter is the device that keeps aquarium water clean. Clean the tank filter, a tank filter for the pump.
Most of the work is done by bacteria living in it rather than by the sponge catching dirt. Washing a tank filter under the tap kills those bacteria and starts the whole tank again.
1nountank filterThe device that keeps aquarium water clean.
“The tank filter had not been touched in two years and still worked.”
tank filter is a device.
Practised in Pets & Pet Care