| Water parameters |
Treatments |
| T0 |
T1 |
T2 |
T3 |
T4 |
T5 |
T6 |
| Temperature (ºC) |
27.36± .0244 |
27.46± .0400 |
27.44± .0244 |
27.42± .0374 |
27.40 ±
0 |
27.40± .0316 |
27.42± .0374 |
| pH |
7.41± 0.3682 |
7.56± 0.4226 |
7.87± 0.5253 |
7.70± 0.4637 |
7.56± 0.4320 |
7.16± 0.2926 |
7.69± 0.4388 |
| Specific conductivity (ms) |
1.08± 0.0323 |
0.97± 0.0768 |
1.10± 0.0633 |
1.12± 0.0337 |
0.96± 0.0579 |
0.92± 0.0564 |
1.01± 0.0400 |
| Dissolved oxygen (mgL-1) |
6.00± 0.9985 |
5.95± 0.8962 |
6.28± 0.9578 |
5.90± 0.8165 |
6.26± 0.9239 |
6.34± 0.9293 |
6.40± 0.8854 |
| Free Carbon dioxide (mgL-1) |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
| Total alkalinity (mgL-1) |
41.80± .8602 |
43.00± .7071 |
47.40± .0640 |
43.40± .2884 |
44.80± .4967 |
43.20± .8000 |
46.20± .5297 |
| Total hardness (mgL-1) |
77.00± .9235 |
80.00± .3038 |
78.00± .1402 |
74.20± .4980 |
72.80± .5179 |
72.80± .2156 |
73.20± .6721 |
| Ammonia-nitrogen (mgL-1) |
0.03± 0.0088 |
0.06± 0.0259 |
0.11± 0.0514 |
0.06± 0.0267 |
0.06± 0.0259 |
0.03± 0.0125 |
0.08± 0.0285 |
| Nitrate-nitrogen (mgL-1) |
0.01± 0.0012 |
0.03± 0.0031 |
0.06± 0.0167 |
0.04± 0.0106 |
0.04± 0.0092 |
0.03± 0.0055 |
0.05± 0.0131 |
| Nitrite-nitrogen(mgL-1) |
0.01± 0.0017 |
0.02± 0.0014 |
0.03± 0.0022 |
0.02± 0.0014 |
0.02± 0.0014 |
0.02± 0.0019 |
0.02± 0.0014 |
|
