// Kenko Pond Filters
Moving Bed Bio Filters.
The biological half of a serious koi system. Thousands of moving media beads grow the bacteria that turn ammonia and nitrite into safe water — the stage that keeps koi healthy after the RDF clears the solids.
[ MBBR ] · Bio Range
3 Sizes
Kenko Quantum 8 BioPonds to ~8,000 gal
$2,850
Kenko Quantum 13 BioPonds to ~13,000 gal
$3,550
Kenko Quantum 25 BioPonds to ~25,000 gal
$4,250
Living filtration
Moving media grows the beneficial bacteria that convert ammonia and nitrite.
Self-regulating
The moving bed constantly sheds old biofilm, so it never clogs or channels.
Massive surface area
Protected internal media packs huge biological capacity into a compact tank.
Stable, clear water
Biological balance that holds through feeding and seasonal swings.
Pairs with your RDF
Built as the second stage, right after mechanical drum filtration.
Built for big loads
Sized for heavily stocked koi ponds, from 8,000 to 25,000+ gallons.