Inorganic ntsev

Xav tias dawb yuav calcium thiosulfate ntawm tus nqi pheej yig los ntawm peb lub hoobkas. Raws li ib qho ntawm cov kws tshaj lij calcium thiosulfate tuam ntxhab thiab cov muag khoom, peb ib txwm nyob ntawm koj qhov kev pabcuam.

Xa kev nug