Parameter | (S-1) | (S-2) |
Dissolved oxygen | 9.3 mg/l | 10.73 mg/l |
Free carbondioxide | 6.16 mg/l | 5.28 mg/l |
Alkalinity | 20 ppm | 50 ppm |
Nitrite | Nil | Nil |
Sulphate | Nil | Nil |