Hello everyone let me just say that I am new to this thread. And I am looking forward to hearing everyone's ideas as well as reading your post. So let me get to it. I have 6 ducks and many chickens. However I would like for my ducks to have their own house and pond area just for them. We have already started digging the pond one side is 4 ft deep and the rest of it is about 1st deep as we didn't get a chance to finish digging due to all the rain. He's my dilemma. I want the pond to be natural as it is in natural so I really want a Natural pond that blends in with the normal land and to not look as if it was just thrown there. I am wondering if I can use a pump and filter with no liner because I want to keep it as clean as possible just want to do it right the first time around so any ideas you have would be appreciated. Right now it is very muddy looking because we were trying to get dirt out while it is full. #badidea lol. Also they will not stay out of it. I guess they like the muddy mess. Thanks for reading this looking forward to ideas and photos. I have posted a few photos of mine.