Full heated koi quarantine/ grow on fiber glass tank filter set up

Hi I’m Matt , I started a little pond out the back on a mission to safe a fish . Any advice on what type of filters I can use and a stronger pump to get more water through the water fall . Or rather any suggestions for it all . Thanks

WANTED canister filter near Stoke-on-Trent please. Thanks xx

Looking for a muti bay filter for my pond around Rotherham can collect today depending on price

Morning,it's the first easy pod I've had for a pond but I'm getting some fines in the pond is there something I could use to stop this .many thanks