Hi guys
i m trying to build a new pond for my koi please see the drawing and give me some advise. its a gravity style
the pond will be 9 feet width and 24 feet length, 8 feet depth.
filter system
1) 50cmX100cm for vortex with drain value
2) second chamber 50x100cm is mechanical chamber with brush set up with drain value
3) third chamber 85X100cm with Jmat with drain value
4) 4th chamber 85X100cm K1 moving bed with drain value
5) 5th chamber 50x70cm is jmat
6) 6th chamber 50X70cm is K1 moving bed
7) 7th chamber50X70cm is jmat chamber
8) external pump connected with 7th chamber and skimmer. water will be pumped through a built in UV pipe then to a water path with gravels then back to pond.
Let me know your thought. I m planing to have 20 full sizes koi in this pond.
Elson