its 40 gallons, but it will be upgraded soon to around 100 gallons.papawoody;3685983; said:mine came with media , yours should too . i just use what it came with , its supposed to be good stuff and if you had to buy it it would be some of the most expensive bio-media available . (the coco puff stuff) ... its ceramic , then pads , then coco puffs ....
how big is your tank ? alot of people use 2 2217's for 100 gallon + tanks ...