After treatment with a sulfa compound disinfectant, mussles are placed in a metal net cage and suspended underwater from bamboo poles. The mussel cages hang at depths of two to three meters.
不像養魚，放養河蚌並不直接拋入水中，而是將河蚌整齊勾掛在鐵絲網上，垂吊在水深二至三公尺處定養，如此可避免放養過密，或與魚爭食，將來成珠時，也方便採收。