Very simple ~ I didn't read anyone elses opinion or post in this thread......They are good for bio only-period.If you try to use it as a filter with media and pads/foam etc the flow will be reduced to nothing within 2 weeks and you will hate it. I personally wanted to throw mine in the street ~ I hated it,but then figured out that after I cleaned it it would run great for 2 weeks then clog. So I first started by removing the polishing pads..helped...got about 3 weeks out of it.Then had enough and thanks to someone on here they said its only good for bio,I listened and its good.Don't overpack it though.It has not slowed down since I changed it over to an only bio filter. Before all that,when I used it as a filter.lets just say I can pee more than that "filter" can flow.Red_Belly_Pacu;3759516; said:I am going to buy a used one today. How is this filter compared to the other cannister filters?
Good to hear its working for you.Red_Belly_Pacu;3763870; said:I am the OP. The XP3 is very good. The seller gave it with the good bacteria in it still because he just took it off his tank. Before I bought it, my 80 gallon needed more filteration for it because ammonia was showing in an established tank. Plugged in the XP3 and it is showing no ammonia or nitrite anymore.