OPSI PILIHAN JUMLAH BELI FRESH PACK ATAU ECER 1 BATANG dapat digunakan untuk 800 liter bentuk pipe 10cm diameter -+3-4cm Innovative hollow design, Provide deep anaerobic zones for denifrfication. It reduces nitrate more efficientiy without harming the environment. Consists of peari-shaped inert ceramic. Unbeatable surface area structure of 21260 sg ft per gallon. It has a large pore structure to ensure optimum bacterial colonization and delay to the siting-up of the pores (for much longer intervals between cleaning). “ The hollow cavity form a conceniration difference ot lons, NH4+ and NO24 will absorb actively to AC filter media. Due to high conceniration of bacteria, Peak Ammonian and nitrite loads ore more easily reduced. Master bio filter medium is suitable for fresh and marine water, is washable and can be reused,