Nano-Tech Bio-Block 2 Plates·Stabilized microbial sewage treatment technology with Biological Aerated Filter (W-BAF). ·Ultra-high surface cross-cutting ratio and filtration area. ·Nano-Tech Bio-Sphere/Block is made of ceramic beads and is completely inert. With an ultra-high surface cross-cutting ratio and filtration area, each Bio-Sphere has up to 54m² surface area (580ft²) and each Bio-Block has up to 1,080 54m² surface area (11,635ft²) for the establishment of bacterial colonies,which allows it to effectively control the quality and stability of the water column. With the use of stabilized microbial sewage treatment technology (W-BAF), the Bio-Spheres/Bio-Block have a unique advantage in the treatment of water column with high Ammonia-Nitrogen (NH4-N) and high Nitrate-Nitrogen (NO3-N). The Bio-Spheres/Bio-Block excel at establishing bacterial colonies in forms of Bio-Nano Composite Films, it allows different species of bacteria and fungi to grow on its large surface area, such as nitrifying bacteria (including species of the genera Nitrosomonas, Nitrosococcus, Nitrobacter and Nitrococcus), yeast, phototrophic prokaryotes, etc. The Bio-Spheres/Bio-Block should be cleaned or replaced every 6 months for optimal results, however when cleaning/replacing old Bio-Spheres/Bio-Block, DO NOT replace all of them at the same time. Clean/replace half of the Bio-Spheres/Bio-Block such that there are sufficient bacterial colonies remain to reestablish themselves in the newly cleaned/replaced Bio-Spheres/Bio-Block.
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