He aha te houra tunutunu?

I te haerenga noa ki te hūpāmakete, ka hoko pea ngā kaihoko i ngā hopi horoi, ka hoko mai i tētahi pounamu āpipirini, ka titiro ki ngā pane kōrero hou o ngā niupepa me ngā maheni. I te tirohanga tuatahi, te āhua nei kāore he rite o ēnei taonga. Heoi, mō ia taonga, he mea nui te houra tunutunu i roto i ā rātou rārangi kai, i ngā tukanga hanga rānei.

He aha te meahoura tunutunu?

Ko te houra kautika te matū konutai hauwai (NaOH). He kawakore tēnei matū – he momo kawakore ka taea te whakakore i ngā waikawa, ā, ka wairewa ki te wai. I ēnei rā, ka taea te hanga houra kautika hei pirepire, hei kirikiri, hei paura, hei wairewa me ētahi atu.

He aha te whakamahinga o te houra kautika?

Kua noho te houra tunu hei wāhanga noa i roto i te hanga o ngā taonga o ia rā. E mōhiotia whānuitia ana ko te rai, kua whakamahia hei hanga hopi mō ngā rautau, ā, nā tōna kaha ki te whakarewa i te hinu, he wāhanga noa iho i roto i ngā horoi oumu me ngā hua e whakamahia ana hei wetewete i ngā paipa waikeri.

E whakamahia ana te houra kautika ki te hanga i ngā hua horoi pērā i te hopi me te hopi horoi.

He mea nui anō hoki te hauwaiwai konutai ki te tukatuka i te penupenu rakau hei hanga pouaka pepa me te pouaka kaata, kua piki haere te hiranga o ēnei mea i te roanga o te mate urutā COVID-19 i te mea ka tukuna ngā taonga hauora ki tawhiti.

Ka whakamahia hoki te matū hei wawahi i te toka parataiao i tangohia mai ai te konumohe. Kātahi ka whakamahia te kohuke i roto i ngā taonga maha pērā i ngā rauemi hanga, ngā motuka me ngā taonga kaihoko pērā i ngā takai kai me ngā kēne inu wairākau.

Ko tētahi whakamahinga ohorere pea o te houra kautika ko te hanga rongoā pēnei i ngā rongoā whakaheke toto me ngā rongoā whakaheke kolesterol.

He hua maimoatanga wai maha ngā whakamahinga, he maha ngā wā ka whakamahia te konutai hauwai hei pupuri i te haumaru me te ma o ngā puna kaukau mā te tango i ngā konganuku kino pēnei i te mata me te parahi. Hei turanga, ka whakaitihia e te konutai hauwai te waikawa, ka whakahaere i te pH o te wai. Hei tāpiri, ka taea te whakamahi i te matū hei hanga konutai hauwaihau, e patu huakita ana i te wai.

He hua tahi o te tukanga hanga chlorine, kua whakamahia te houra kautika mō ngā tekau tau hei hanga hua hei whakapai ake i ō tātou oranga o ia rā.