Simply Koi and More Koi

Here is a picture of my pond
2000 gallon

hi all ok finally starting filter mod this weekend but have already built air ring out of spped fit pipe wot is the best size holes to drill in air line some say 1mm other say 2mm its going into square filter chamber i have got EA 75ltr air pump just to run on static and fuild k1 any ideas cheers fr...

hi all i still planning my filter conversion as of above but need some points clearing up my vortex empities in to chamber one at the top would this be a problem for fluidise k1 then the water would empty at the bottom in to chamber two which would be static k1 then the chamber would enter chamber t...

hi all im a newbie to this great site i am interesed in to converting my filters to static k1 and fulid k1. i was thinking of leaving the vortex in place then making three chambers in filter instead of the five that the filters have now so each filter chamber would be the size of the last chamber wi...