Table 1.

The mean (± standard error) water quality parameters measured daily (*) and weekly (**) throughout the study.

	Temperature (°C)*	pH*	NH3 (ppm)*	Salinity (ppt)*	Nitrites (mg/L)**	Nitrates (mg/L)**
System 1, Round 1	27.0 ± 0.03	8.18 ± 0.0	< 0.10	32.9 ± 0.16	0.06 ± 0.01	5.1 ± 0.2
System 2, Round 1	28.8 ± 0.04	8.19 ± 0.01	< 0.10	32.6 ± 0.16	0.14 ± 0.03	5.5 ± 0.25
System 1, Round 2	31.0 ± 0.03	8.23 ± 0.02	< 0.10	33.2 ± 0.22	0.04 ± 0.0	4.4 ± 0.1
System 2, Round 2	27.2 ± 0.07	8.19 ± 0.0	< 0.10	32.3 ± 0.14	0.04 ± 0.0	3.4 ± 0.23