Table 2 The profile of the industrial wastewater effluent samples used here as culture media (n = 3)
|  | Sample |   A |   B |   C |   Average | SA Std. |
|---|---|---|---|---|---|---|
|  | pH | 4.07 ± 0.01 | 4.16 ± 0.05 | 3.94 ± 0.21 | 4.06 ± 0.09 | 5.5-9.5 |
Concentration (mg/l) | COD | 143.49 ± 2.33 | 116.60 ± 5.25 | 138.58 ± 1.05 | 132.89 ± 15.21 | 75 |
|  | DO | 6.81 ± 0.01 | 5.76 ± 0.05 | 6.57 ± 0.03 | 6.38 ± 0.03 | – |
|  | Co | 8.16 ± 1.38 | 8.08 ± 2.01 | 10.21 ± 3.02 | 8.82 ± 2.14 | 0.05* |
|  | Ni | 10.15 ± 3.02 | 9.31 ± 10.02 | 14.97 ± 12.02 | 11.48 ± 8.35 | 0.2* |
|  | Mn | 19.2 ± 7.21 | 17.02 ± 6.21 | 20.14 ± 2.75 | 18.79 ± 5.39 | 0.1 |
|  | Mg | 191.29 ± 3.68 | 180.52 ± 6.37 | 201.94 ± 16.31 | 191.25 ± 8.79 | – |
|  | V | 103.47 ± 11.32 | 101.482 ± 9.65 | 97.13 ± 4.95 | 100.69 ± 8.64 | 0.1* |
|  | Pb | 0.81 ± 0.01 | 1.77 ± 0.03 | 2.02 ± 0.00 | 1.53 ± 0.02 | 0.01 |
|  | Ti | 0.24 ± 0.00 | 0.24 ± 0.00 | 0.93 ± 0.01 | 0.47 ± 0.00 | – |
|  | Cu | 5.17 ± 0.02 | 5.2 ± 0.01 | 7.33 ± 0.01 | 5.9 ± 0.02 | 0.01 |
|  | Zn | 18.31 ± 0.21 | 17.71 ± 0.38 | 23.19 ± 0.27 | 19.74 ± 0.29 | 0.1 |
|  | Al | 227.06 ± 19.02 | 225.84 ± 27.38 | 230.77 ± 12.09 | 227.89 ± 19.50 | – |
|  | Cd | 31.06 ± 0.25 | 19.97 ± 1.26 | 21.93 ± 1.38 | 24.32 ± 0.96 | 0.005 |