Table 2. Water qualities of treatment...

Table 2.

Water qualities of treatment tanks before and after experimental period

Mean value of water quality (before and after experiment)													FEPA 2010 Standard
Parameter	Control		80 ppm		90 ppm		100 ppm		110 ppm		120 ppm
Parameter	Before	After	Before	After	Before	After	Before	After	Before	After	Before	After
Temperature (°C)	27.15	27.33	27.38	27.66	28.31	28.04	28.22	27.39	27.35	27.41	28.32	28.22	<40
pH	7.55	7.38	7.34	7.27	7.38	7.08	7.26	6.92	7.13	6.74	7.07	6.51	6-9
DO (mg/L)	5.81	5.59	5.55	5.41	5.81	5.85	5.76	5.81	5.67	5.73	5.81	5.78	7.5

Mean value of water quality (before and after experiment)													FEPA 2010 Standard
Parameter	Control		80 ppm		90 ppm		100 ppm		110 ppm		120 ppm
Parameter	Before	After	Before	After	Before	After	Before	After	Before	After	Before	After
Temperature (°C)	27.15	27.33	27.38	27.66	28.31	28.04	28.22	27.39	27.35	27.41	28.32	28.22	<40
pH	7.55	7.38	7.34	7.27	7.38	7.08	7.26	6.92	7.13	6.74	7.07	6.51	6-9
DO (mg/L)	5.81	5.59	5.55	5.41	5.81	5.85	5.76	5.81	5.67	5.73	5.81	5.78	7.5