ʻO ka kānana honua diatomaceous e pili ana i ka kānana hoʻopili me ka uhi honua diatomaceous e like me ka papa kānana, me ka hoʻohana nui ʻana i ka hana sieving mechanical e hoʻoponopono i ke kaʻina hana kānana wai i loko o nā mea liʻiliʻi i hoʻokuʻu ʻia. ʻO nā kānana honua diatomaceous i kānana ʻia i nā waina a me nā mea inu ʻaʻole i hoʻololi ʻia, ʻaʻohe mea ʻawaʻawa, ʻaʻohe paʻa paʻa a me nā sediment, a maopopo a maopopo. ʻO ka diatomite kānana he kiʻekiʻe kāna kānana pololei, hiki ke hiki i ka 1-2 microns, hiki ke kānana iā Escherichia coli a me nā algae, a ʻo ka turbidity o ka wai kānana he 0.5 a 1 degere. Hoʻopili nā mea hana i kahi wahi liʻiliʻi, haʻahaʻa haʻahaʻa o nā mea hana, ʻo ka nui wale nō e like me 1/3 o ka kānana one, hiki ke mālama i ka hapa nui o ka hoʻopukapuka ʻana i ke kūkulu kīwila o ka lumi mīkini; ola lōʻihi a me ke kūpaʻa corrosion kiʻekiʻe o nā mea kānana.