ʻO ke apo kānana bio quartz ceramic, e hoʻohana ana i ka mineral maoli a me ka pauka quartz e like me kāna mau mea, hana ʻia ma o ka calcinations wela kiʻekiʻe, me ka hoʻolālā pore permeability kiʻekiʻe, hiki ke hāʻawi i kahi ʻāpana kikoʻī nui no ka hoʻopili ʻana i ka hānau ʻana o nā hua bacteria maikaʻi, hoʻemi pono i ka amonia. a me ka nitrite i loko o ka wai.ʻO kēia kemika inert ceramic kānana mea he wai maʻemaʻe, ka wai kai a me ka loko iʻa kūpono kānana.