Nano nje bọọlụ nwere ike decompose na banye amonia, nitrous nitrogen, hydrogen sulfide na arọ ọla, na nwere àgwà nke "multivalent cation", nke nwere ike welie ikike ịmịkọrọ nje bacteria nitrifying, mee ngwangwa uto nke microorganisms, n'ụzọ dị irè na ngwa ngwa na-eme ka mmetụta. nke mgbasa ozi nzacha, ma mepụta otu nje bacteria bara uru.