... 1.2 gram per m3 is used.Swimming pools chemical make up, bather load, dirt mildew mold wind contaminates, location, pump run ... double bonds extend upwards of twenty, the color absorption shows up in the visible spectrum. Ozone is attracted to break organic ... above 4 ppm however, Manganese will form soluble permanganate, showing up as a pink color.3.Algae Removal- Ozonation of a ...