Hello, am new to the forum and would like to ask for some advise please. Have a pond thats 11x10x3 ft approx, in sun after mid day, (when it shines) planted with several water lilies and areas of oxygenators...elodea and starwort. Fish are 2xghost koi, 3xgolden orfe all of which are approx 12-15 inch plus 21assorted comets, blue orfe and shubunkins which I guess are 6 inch or so on average. Current box filter and pump with 8watt UV system is old, Biozorb 1000 -and a matching pump, can't recall make etc, but it worked when fish were small and pond was smaller as we have dug it deeper and over time it has become greatly under powered. Need a more powerful set up as fish growing rapidly. Ideally need something that is really easy to set up, relatively inexpensive to run and can be cleaned without me smelling like a sewer for a week. No need for a fountain, would prefer a waterfall as that's what I have now, well, the water drops into the pond, not flowing along a watercourse. My husband sadly passed away in Feb so I am on my own so the new system needs to be female friendly. I can do most jobs, but I can't spend an age dealing with mechanical/ electrical stuff I don't really understand. Have been quoted so many different systems ranging from £200 to £500, box and pressurised, the need to filter half or even the full volume per hour, I am now really confused so am wondering if someone can help me get it sorted from a fish keepers view rather than a shopkeeper trying to sell their product to me! Thanks for looking in, I welcome any advice.