Bio media is used in order to provide biological surface area for beneficial nitrification bacteria to colonize. This will allow nitrification process to occur therefore converting ammonia excreted by fish to be converted to nitrite and then nitrate. Nitrate is very much less toxic to fish and useful to plants when apply in aquaponics. In a proper running biofilter, the volume of biofilter tank should be two times the volume of bio media. In order for nitrification bacteria to thrive, ample and vigorous aeration is to be provided in order to promote the growth of nitrification bacteria. With proper aeration the bio media will rolls and collide with each other and therefore become self-cleaning when old and inefficient bacteria/biofilm is knocked off the surface of bio media. On the other hand, if there is no aeration, the biofilter will become anaerobic and denitrification will occur. Depends on your design requirement, aeration is to be adjusted accordingly. 1kg of this bio media will occupy approximately 6liters of volume.
1. Diameter = 10mm, Height = 10mm
2. Specific Surface Area = 850m2/m3
3. Specific Gravity => 0.96g/cm3
4. Room Number = 4
5. MBBR Quick Sizing Reference = 19kg of food/m3 of K1 = 19gram of food/Liter of K1
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