I am expecting to spend some money. I have been quoted 1700 but would like to build one cheaper. My pond is over a acker it is about 20 feet deep the banks are very steep go out 4 feet and its chest deep. It was a natural ditch about 15 feet deep and 30 feet wide. I live at bottom of a hill and alot of run off feeds pond. pond was built about 8 years age but rebuilt 2 years ago. this go round I had it stocked with 650 high fin blues 100 hybrid strips 1000 perch 50 lbs of shiners and 50 lbs of fat head minnows. Now we swim in it and water smells like fish. will aeration help smell. My pond is u shaped bottom part of u being 150x250 fingers are about 40 feet wide