Pengaruh Substrat Filter Yang Berbeda Pada Sistem Resirkulasi Terhadap Laju P…

This research was conducted from April to Juni 2018, for 40 days in Technology Laboratory of Fisheries Faculty and Marine Sciences, University of Riau. The aim of the research was to know the best type of filter in reducing NH3 concentration and the effect of the water recirculation system on increasing growth and survival rates of Selais fish (Ompok hypopthalmus). used fish sized 5-8 cm. The m…