The first picture is the West end of my pond witch is 15 feet deep it goes east about 200 feet and the depth goes to ten feet then at the East end is five feet. The second picture is the East end. Third pic on the Dam Fourth pic North bank fifth pit. East end Picture six is the diffuser we made Sunday these are four 9inch disks got the idea off Pond Boss I had planed on placing this one diffuser closer to the west end rather then the center Well will I be able to use 3/8 air line when the pond is full will add another. Thanks what do you think I'm open