11-19-2009, 01:08 PM
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I have a couple of those from Canada's answer to petco (petcetera). They are pretty much just a generic pet-store brand filter, clearly manufactured by the same company. As far as I know they only fit house-brand filter inserts, but I think a bio bag might work.
Honestly though, don't worry about replacing the filter insert. Carbon deactivates after a few days and after that they pretty much become covered in nitrifying bacteria. These particular inserts are very durable... I have been running the same one for months and remarkably it has not fallen apart or anything.
The risky thing about replacing them is that you totally lose your cycle: wheras most HOBs have a black sponge that stays in all the time to keep bacteria in the filter when you change the cartridge, this filter doesn't have one so everytime you change the insert you take all the bacteria out.
Good little filter though, some of the motors are a bit noisy but otherwise it's proven reliable so far!
How many gallons is it rated for? If you can measure it across the top I'll compare it to mine and see if we have the same size. Then I can dig out the box and give you at least some idea of the model and tell you whether a medium bio-bag will fit (I know they're too big for mine, the smallest model).
Last edited by kelly528; 11-19-2009 at 01:11 PM..