Water
Maintenance of water quality parameters in optimal level is critical for successful aquaculture operations
Water Quality Parameters for Fish Culture
Sr. No. | Parameters | Optimum range |
1 | Colour | Light green |
2 | Temperature | 20 – 33 °C |
3 | Transparency | 20 – 35 cm |
4 | Turbidity | < 20 ppm |
5 | pH | 7 – 9 (Fresh Water) 8.3- 8.7 (Brackish Water) |
6 | Alkalinity | 50 – 275 ppm |
7 | Hardness | 50 – 250 ppm |
8 | Chloride | 31 – 50 ppm |
9 | Dissolved Oxygen | 5 – 10 ppm |
10 | Carbon Dioxide | < 3 ppm |
11 | Ammonia Nitrogen | < 1 ppm |
12 | Nitrite Nitrogen | < 0.5 ppm |
13 | Nitrate Nitrogen | 1 – 5 ppm |
14 | Phosphate | 0.3 – 5 ppm |
15 | Biochemical Oxygen Demand (BOD) | < 10 ppm |