The ceramic media located in the top of the filter can be rinsed and used for a long period of time. This only needs to be replaced when it starts to weather and disintegrate.

Inside the unit, you will notice the shaft is fixed to the ballast, this is normal please do not try to remove it. 

The filter sponge can be easily removed from the casing and washed in a bucket of your aqaurium water until clean. 

If you need to order replacement media, we sell the case and media as a kit. These are available on our website, please click here