Ezi zibane zenzelwe ngokukodwa izibane ze-germicidal ezingaphantsi kwamanzi ezisetyenziswa emanzini okanye kulwelo.Zilula kakhulu ukusingatha ngenxa yokuba zinesakhiwo esine-double-proof tube kunye nomphandle wesibane se-germicidal esitywinwe ngeglasi ye-quartz kunye nesiseko sisetyenziswa kwicala elinye kuphela.Zenzelwe ngokukodwa ukuvala inzala emanzini, kwaye zinobukhulu obukhethekileyo kunye neempawu zombane.Ukucoca amanzi (ulwelo), khetha izibane ezifanelekileyo zokubulala iintsholongwane ngokuthathela ingqalelo ubume bamanzi, ubunzulu, umlinganiselo wokuqukuqela, umthamo kunye nohlobo lwee microorganisms.