[IMG]file:///C:/Users/Jacob/AppData/Local/Temp/moz-screenshot.jpg[/IMG]How does the External Bio-Falls wet/dry biological booster on the cascade 330 work exactly wat does it do? Penn-Plax Cascade 300 Power Filter #CPF5
here is a close up of the attachement or one like it http://www.4littlepets.com/productim...scadecart3.jpg
this filter along with another was on the 125 gal
tank when i got it i have the cascade on my 55 to seed it before i put it on my 125 when its ready to be set up for salt the other person ran it with fresh but how exactly does this part on it work wat does it do?