Quote Originally Posted by sacicu View Post
It is a well known fact here in our country bead pressurize filters work well only on aquarium setups. Personally, I have yet to see a pressurize filter work well enough for a koi hobbyist here where water temperatures range frm 23 to as high as 32.C, koi are fed multiple times a day and where source water is soft. The few I know that adapated pressurize filters eventually removed these filters after their koi kept on getting hikui despite regular maintenance of the filters.
The so called hikui virus thrives in the filters?

Garfield