mostlycichlids
Cichlid Specialist
I have sponges in my cartridges.
http://www.drsfostersmith.com/product/prod_display.cfm?c=3578+4136+13371&pcatid=13371
I just discarded the carbon. I also asked Drs Foster for the number to the manufacturer of the cartridges. The manufacturer gladly sent me more of the black filter shells and as many sponges as I asked for free of charge.
http://www.drsfostersmith.com/product/prod_display.cfm?c=3578+4136+13371&pcatid=13371
I just discarded the carbon. I also asked Drs Foster for the number to the manufacturer of the cartridges. The manufacturer gladly sent me more of the black filter shells and as many sponges as I asked for free of charge.