Originally Posted by ChicagoPete
I dunno about the filter,, Did you see if they carry replacement filters before you bought it? And It doesnt say the water flow rate enyware ie to how many gallons an hour it cleans.
Well, I already own one of the small ones and it does a good job (I use a cut down AquaClear sponge in it). It's pretty quiet and it's adjustable. Using it right now on a 5 gal. betta tank matter of fact!
What do you mean by "replacement filters"? Do you mean cartridges? If so, I don't use them.