Originally Posted by jdwhite807
I have a 40 gallon breeder with a Marineland Penguin 200 Bio Wheel filter. I am wondering if I need to boost my filtration or is it alright? If it isn't, is my next best move to buy a bigger filter? I have also heard of people putting a regular sink sponge in the filter for added filtration, seems logical but I don't want to harm my tank. What about a small canister filter? Any help would be a great help.
A 40 gallon tank needs a filter with a gallon per hour (gph
) rating of 160 to maintain sufficient filtration and aeration. Your filter's gph
is 200. If you maintain good water conditions by changing half the tank water every week or two, your fish will be fine.