2000 Gallon Koi Pond after 3 weeks with new filtration system installed (after)

came back after 3 weeks, still no improvement so i decided to swap out the old filtration system and install a new one. evo 55 watt uv sterilizer, DPPF4000 pressurized filter, and a pces5000 pump. let me know if you are interested in any of these products.