... . It solution is weak acid. Properties:1, New type, high quality, high iron salts of inorganic polymer flocculants.2, Coagulation excellent ... dense, fast settlement.3, excellent water effect, good water quality, aluminum, chlorine, and heavy metal ion are not included, non-toxic, harmless ... of water bodies meet the range of 4-11, the best PH valuerange is 6-9, after purified, the PH value ...