Hello everyone--so I was at my cousins all day yesterday watching her husband and mine build their first new pond. Anyhow he has some questions on how to go about filtering it and I have no idea how to really answer because he has done his pond different than what I have. It is kidney bean shaped with an upper small pond that will overflow over some rocks into the bigger pond. He will have a skimmer box at the far end but no waterfall box which is what I have with all my bio-balls in there for the bacteria so my question is what would you suggest?? The upper isn't very deep but he talked about piping in under it to make a fountain come up out of it??? What sort of filter set up would you suggest I refer him to? He called me to ask about using two pumps..one for his filter and the other to run the falls? I have no idea what filter he is using but he said it will be on the bottom of the pond? He was wanting to go all external but I think has since changed his mind only because he hasn't seen any good ones I guess. I would love to show you a picture but I do not have any--size is 32x20x3 total-around 6,000 gallons..Also he does have a small bog area and I was wondering if he should filter through it so the water is moving? It is a very shallow area which will need to be rocked around so the fish don't get eaten but that is just my opinion...Any suggestions would be great.thanks Amber