RAS Equipment mainly consists of several parts,culturing tanks,physical filtration units(DECO drum filter,DECO protein skimmer)used to remove the organic matter,biofiltration units used mainly to remove ammonia nitrogen,disinfection units(ultraviolet irradiation unit ,ozone disinfection system),oxygen supply unit,intake water treatment units,wastewater treatment units,recirculation pump,CO2 removal units,and temperature control units,and so on.