Hozelock Trinamic 12500+ External Filter Kit Hozelock Trinamic 12500+ External Filter Kit  Ref: 305420
High-performance biological filter for heavily stocked fish and koi ponds up to 12500 litres (3000 gals).

The Trinamic 12500 delivers excellent water purity for healthier and more active fish. As the name suggests, this is a 'three stage process' incorporating a 'dynamic' moving bed of Kaldnes K3 biomedia.

Kit Contents

Trinamic 12500 High Performance External Filter
Vorton 18000 UVC (18w)
Titan 8000 Pond Pump

Stage 1 - Moving-bed biological filtration for healthy fish.

The water enters the filter at high velocity and spins unique Kalnes K3 biomedia chaotically around the bio-module. A venturi introduces oxygen to the water.
The beneficial bacteria growing on the inside and outside of the K3 biomedia thrive in an oxygen-rich enviroment and breakdown harmful soluble pollutants at a very efficient rate. Should sludge collect in the K3 bio-module it can easily be flushed to waste via the sludge drain. The Trinamic filters can support the same amount of fish as much larger filters but are much easier to hide near the pond.
Stage 2 - Fine foams for crystal clear water.

Water passes evenly through a perforated plate and into a series of fine foams, which remove solid matter.
An indicator alerts the user when the foams need to be cleaned.
Once cleaned away, any remaining sludge from the foams can be flushed away via a sludge drain at the end of the filter.
Stage 3 - Denitrifying bacteria provide an important second biological process.

Below the foam water passes through denitrifying bacteria, which grow on Cypripak biomedia in a dark still enviroment.
Clean healthy water is then returned to the pond.
Filter Specifications

Maximum Pond Size: 12500 litres (3000 gals)

Flow Rate: 6800 lph (1500 gals)