Table 1. The chemical components of seawater and experimental condition used in the experiments

Item	Value
Temperature (°C)	18.0 ± 0.5
Salinity (‰)	33.2 ± 0.5
pH	8.1 ± 0.2
Dissolved oxygen (mg/L)	7.2 ± 0.2
Chemical oxygen demand (mg/L)	1.18 ± 0.2