QX-605 is non-p scale & corrosion inhibitor,is good for strict limit region ... drainage,can decrease waste water. Properties:QX-605 is non-p scale & corrosion inhibitor, is good for strict limit region ... can decrease treating fare of waste water. Because of non-p, it can decrease growth of microbe, thus decrease dosage of ... is 40-60mg/l. Scale and Corrosion Inhibitor Non-P Scale & Corrosion Inhibitor