The experiment was conducted at wet lab of Department of Aquaculture, Central Institute of Fisheries Education,
Mumbai, India. It consisted of four treatments, each having three randomly assigned replications. Different water
circulation hours i.e. 4 hrs/day, 8 hrs/ day, 12 hrs/day and 24 hrs/day were assigned as four treatments, T1, T2,
T3 and T4, respectively. Regular water exchange was followed in Control set in glass aquaria with three replicates. 12 rectangular fiberglass tank of 40 L capacity were selected for fishes and 12 round plastic tubs of 75
L capacity were selected for plantation. 3 glass aquaria each of 20 L capacity were selected as control for fish
and control plants were planted in small plot (0.05 m-2) of field of the campus. Seed of spinach (Spinacea
oleracea) was procured from the nursery allowed to grow for 15 days before transplanting into the experimental
setup aquaponics.
Fry of Goldfish were stocked