Ọtụtụ ọdọ mmiri ọha na eze na-adabere na ngwakọta nke kemịkalụ iji nọgide na-adị mma mmiri, wepụ nje bacteria na-emerụ ahụ ma mepụta ebe igwu mmiri dị mma. Isi kemịkalụ a na-eji na-edozi ọdọ mmiri gụnyere chlorine, pH adjusters, na algaecides. Chlorine (Anyị nwere ike ịnye TCCA ma ọ bụ SDIC), ihe ...
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