Hozelock Trinamic 20000 Plus Pond Filter - 1568.

The sleekly contoured new Hozelock Trinamic bio-filters are far removed from the old-fashioned cistern tank design of traditional box filters. But the key features lie within, where the first of three filtration processes sees the pond water entering the bio-module at high velocity via oxygenating venturi and filtering through a moving bed of Kaldnes K3 plastic biomedia.

The patented K3 design, which is neutrally buoyant in water, has a very high surface area and promotes the growth of bacteria on the inside and outside of its ‘wheel’ design. The unique moving K3 bed promotes natural selection of ultra-efficient Nitrosomonas bacteria as only the strongest, fastest-acting micro-organisms survive the constant media collisions. This type of bacteria, which breaks lethal ammonia down into nitrite, thrives in an oxygenated dynamic environment.

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