karawhiti kua whakamahia ki te karawhiti ph
Ko te irahiko e whakamahia ana i ngā mētara pH he taputapu ine tino matua e noho ana hei waahanga matua mō te whakatau tika i te pH. Ko tēnei irahiko motuhake he mema kiri me te raihe pūngāwerewere me te irahiko tohutoro, e mahi tahi ana kia ine i te nui o ngā ironga hauropi i roto i ngā raihe. Ko te horohanga kiri i hangaia ki tētahi tāpiritanga motuhake ka taea ai ngā ironga hauropi te whakaputangia i tētahi rerekētanga o te pūngā ki waenganui i ana takotoranga o waho me o roto. Ina whakaurua ki tētahi raihe, ko te irahiko ka whakaputangia he pūngā hiko e ōrite ana ki te uara pH, ka whakapiripirihia ai ki te ine mōhio e ngā hiko o te mētara pH. Ko ngā irahiko pH hōu ka tāpirihia hoki ngā āhuatanga o te whakaritenga wā ripa me ngā taputapu whakarewa kia tiakina ai te pūmahara me te roa o te wā. Ka hangaia ēnei irahiko ki te tikanga o te whakarewa kiri tāoneke me te nuinga o te wā ka tāpirihia ngā irahiko tohutoro tāwai e whakamātau ai i te whakapai ake i ngā ine. Kua whanake te hanganga mō ēnei irahiko kia tāpirihia hoki ngā āhuatanga pērā i te raihe rerekētanga-gel me ngā hoahoa tāwai-takirua e tiaki ana i te whakapai ake i te kaiwhakauru. Ko ngā whakamahinga e torotoro ana mai i te rangahau taiopenga, te whakahaere kounga ki te whakaputa, te arotake taiao, me ngā whakawhitinga akoranga. Ko te kaha me te whaimana o ēnei irahiko ka tāngia hei taputapu matua i ngā umanga pērā i ngā rongoā, te tukatuka kai, te whakahaere wai, me te whakaputa huinga matū.