Hello! Dear everyone, how are you? Here are our giant skimmers for RAS! If interested, pls DM: Whatsapp&Skype: +8613428912548, Wechat(微信): ksyok99. China RedStarfish, a Chinese industry-leading enterprise specializing in: ** skimmers, LSS(life support systems) & RAS(recirculating aquaculture systems); ** filtration... (More)