HOB and Sponge Filter questions??
Hi forum! So I picked up a hikari Bacto-Surge sponge filter for $1 from my LFS. I'm currently running two Aqueon quietflow 20s on my 29 gallon angelfish tank. I'm running the sponge (rated up to 40 gallons) with the two HOBs since I heard that sponge filters hold more BB than the HOBs. Question is can I just run one HOB and the sponge? Or should I go pick up another sponge and run 2 sponge filters (40 gallons each). I have angels and I heard they like calmer waters but I also want to over filter since I plan on adding a pleco soon (a bristle nose or maybe a clown). Also, if I just run two sponge filters will I have a problem with large waste accumulating? I do a weekly w/c and vacuum of about 45-50%. Any advice or siggestions? I'm going to let the sponge (s) run for about a month with the already established HOBS to get a good BB colony.
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