Siv dej huv kom tshem tawm cov smudges yooj yim los ntawm lub kaum sab xis valve. Txhawm rau kom yooj yim tshem tawm cov stains, ntxuav tawm nrog dej huv. Cov tsos ntawm tus faucet yuav tsum tau ntxuav tas li, thiab qhuav nrog ib daim ntaub mos muag tom qab ntxuav. Tshem tawm cov stains ntawm lub kaum sab xis nrog cov khoom ntxuav me me. Txhawm rau tshem tawm cov stains nyuaj, siv cov kua dej me me, nruab nrab lossis cov iav tsis muaj xim. Tsis txhob sib cuag nrog cov tshuaj muaj zog acidic. Feem ntau ntawm cov ntaub ntawv ntawm lub kaum sab xis yog tooj dag, alloy, hlau, yas, thiab lwm yam, thiab cov tshuaj lom neeg cov tshuaj yuav tshwm sim thaum sib cuag nrog cov khoom muaj zog acid, uas yuav ua rau lub kaum sab xis ntawm lub valve.
