Moringa oleifera (MO) as natural coagulant for cyanobacteria removal from water. MO oil-extraction is not necessary when using MO seeds as a coagulant in C/F/S. High-turbidity waters doesn’t need the extraction of the MO seeds. Low-turbidity waters, MO extracted with NaCl (1 M) presented the best removals. Aromatic organic matter was partially removed by MO extracted with NaCl (1 M).