OC1 Koi Filter Media 50L bag

• to provide an obstruction to work as mechanical filtration
• becomes a substrate for bacteria to colonize

The performance or the effect of a biological filter mostly depends on the type of filter media used.

A good filter media should respond to many requirements as listed below:

1. Specific surface area of the filter-media
2. Three dimensional distribution of the surface area
3. Free volume and resistance to plugging
4. Efficient capture of suspended solids
5. Easiness to clean the media
6. Rigidity
7. Aging of raw material, resistance against corrosion by weather,
   light, temperature fluctuation and chemicals
8. Easy installing
9. Safe to Use; Environmental friendly
10. Light weight
11. Transport friendly