... of inorganic polymer flocculants, and the effect of treatment than aluminum sulfate, alum, ferric chloride, ferrous ... high-quality, low consumption, the ideal water treatment agent. Specifications :Index nameDrinking water Non-drinking waterAL2O3 content/%≥28-3027- ... dosage 4-6PPM, other water sources, Water dosage depending on their alum actual results adjust dosage. pac water treatment chemical