hello, my name is math,
I'm from holland, got this link from somebody at
http://www.koieagle.nl
I would like to show our pond here,
we have a pond with 4500 liters water but we are rebuilding it to a pond with 17000 liters and one with 12000 liters, the last one should be plants only and the big one for our koi,
to see it you can click down below