3.9. Water quality
In this aquaponics, the temperature of the wastewater ranged
from 21.5
◦C to 22.5
◦C (Table 2). The pH range (7.49–8.14) was
changed to 8.26–8.47 (Table 2) but the maximum change was
observed in 100% wastewater (10.28%). Total alkalinity was initially
low (62.1–178.0 mg CaCO
3
L
−
1
; Table 2) that finally was increased