... . For any RO system, after 3-12 months, it should be polluted, thus the chemical cleaning is required. QX-711 ... can remove oil, organic substances and bio-mucosa. Dosage:Dilute to 1-3%(1:45) Specification: itemsindexAppearanceColorless liquidpH(1:45 ... , sometimes the first batch detergent should be evacuated and the next batch should be required. (6)Pay attention to solution temperature, don’t exceed ...