... 2,Two ways water stream design 3,U-PVC Floating/protein skimmer for oceanophilous cultivation Basic knowledge of protein ... and fatty acids, carbohydrates, metals such as copper complexed with proteins, and certain trace elements such as iodide, in ... ,Seafood cultivating factory 2, Seawater hatcheries3,Oceanopolis, aquarium etc4,Swimming pool water treatment5, Sewage water treatment, and the lines used ...