hi all built a new pond which is 5ft wide 6ft in length and 4ft deep with small plant shelf 2ft deep pond is approx 660 gallon i have a green genie 6000 with 16watt uv and a hozelock cyprio 1500 pump fish include 2 2inch koi,2 shubunkin 5inch, 2 goldfish same size, 4 small 2inch orfe and a 6 inch green tench was looking at adding more fish but dont know if my filteration system would be up to it , what you guys think my water is crystal clear at moment pond is approx 10 week old thanks :razz: