thanks for the advice, the thing is, i am a total newb at the moment and just need pointing in the right direction, so far i have my main items.....
1=1 airated bottomdrain
2= oase 16000 + 10000 sequence
3= EA 300
4=1proclear 55w uv
5=80ltr hiblow air pump
6=oase 11000 filtoclear
7= all the ballvalves i need connections and fittings + medium
the thing is i need to turn over more water not alot, i am around the 7-8000 gals thinking of adding a vortex, which 1 im not sure (guidance please)and you said build my own filtration, not that advanced yet

the pond isnt totally constructed yet so just thinking of the feed and return holes need for the finishing of it. any advice or things to do will be great.