wilioli
Member
I just upgraded to an aquaclear 50 (from the mini) and the new filter came with media. It came with foam, carbon and biomax. I've read enough threads where people say stay away from the foam (unless I want to clean it once a week) and just filter floss... -- use carbon as needed... but nothin really about biomax, and these 'stones'. The packaging says to replace it every 2 months. I've read some people saying as to use it 'forever'... what do you guys think/advise?