That is pretty!! That looks like an enormous pump though..how deep is that pond? You may need to take a few joints out of that pump so all your water isn't either pewed out everywhere in your yard or evaporating at the speed of light. You do need the pump for aeration though. I even have two small solar panel aerators in mine...spent a hundred bucks on a big one too that never worked..drat..really liked that idea though.solar powered anything is cool.
That pond IS pretty, just have to get it "cured"..the ph right, the chlorine out (that will dissipate or break down or whatever chemical terminology our resident chem teacher Tiffanyh would use, lol!) anyway, a few days of sitting and that goes away but if fish are in the pond with chlorinated water it will burn them and they will die, use the de-chlorinator with aloe. A bit of shade keeps the algae down too...or you can use barley straw or barley straw extract like I do, that helps too. Try 29 cent comets, you haven't lost much if they don't make it as you get it going and if they do, they will get big and make millions of babies like mine, loL! Good luck, it'll be gorgeous!