It is a biological and mechanical filtration made of plastic that separates and filters water during its passage through the channels on the biological sphere (Bioball), and also hosts aerobic nitrifying bacteria thanks to its large surface area.
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It is a biological and mechanical filtration made of plastic, which separates and filters water during its passage through the channels on the Biological Sphere (Bioball), and which also hosts aerobic nitrification bacteria thanks to its large surface area.