,
ʻO ke apo o ka hale Bacteria mamao loa he kānana bio hou e hiki ke pepehi pono i nā hua bacteria ʻino i loko o ka wai ma o ka hoʻomālamalama ʻana i nā kukuna liʻiliʻi loa. ammonia,nitrite, sulfureted hydrogen, a me ka metala kaumaha mai ka wai. Ma waho aʻe o kēia, ʻo ka kānana e pale i ka ulu ʻana o ka mold a me nā algae. kānana bio.