... -100000L/H 4. CE, UL, ISO RO-2-80 2-stage RO Water Treatment System Capacity: 80,000L/hr Introduction2-stage RO system is ... chlorine and organism, which must be ≤0.1mg/1.Because calcium and magnesium content in raw water is very high, and ... -removing rate is about 97%, which may cause deposit of calcium carbonate, magnesium carbonate, bitter salt, etc. on concentrated water side ...