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Abstract
Blue devil (Chrysiptera cyanea), blue damselfish, is a variety of marine ornamental fish. In rearing ornamental fish, water quality management is required to maintain the optimal condition of water quality. Filtration and recirculation are proven as preeminent ways to manage the optimal condition of water quality in aquarium as the vessel for rearing ornamental fish. Simple recirculation system double bottom filter was applied in this research with treatments of components modification of the system. The objective of the research was to identify the concentration of ammonia in rearing media of blue devil (C. cyanea) using recirculation system double bottom filter with several modification components. The treatments are i.e. (1) no recirculation/aeration only (treatment A), (2) system with components of sand and dacron (treatment B), (3) sand and sponge (treatment C). The result showed that the ammonia concentration in system A (control) was 0.890 mg/L, system B (sand and dacron) was 0.129 mg/L, and system C (sand and sponge) was 0.7 mg/L. The highest value of survival rate was in system B (components sand and dacron) which valued 90%. As the conclusion, component sand and dacron in recirculation system double bottom filter provided better performance in reducing ammonia in rearing media of blue devil (C. cyanea) which also confirmed with the survival rate value.
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Copyright (c) 2016 Aquacultura Indonesiana
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References
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References
Bapary, M.A.J., M.N. Amin, Y. Taekuchi, and A. Takemura. 2011. The stimulatory effects of long wavelengths of light on the ovarian development in the tropical damselfish, Chrysiptera cyanea. Aquaculture, 314:188-192.
Effendi, M.I. 1997. Biologi Perikanan. Yayasan Pustaka Nusantara.
Emerson, K., R.C. Russo, R.E. Lund, and R.V. Thurston. 1975. Aqueous Ammonia Equilibrium Calculations: Effects of pH and Temperature, Journal of the Fisheries Research Board of Canada, Vol. 32, p. 2379-2383.
Fauziah, M., I. Rahmawati, dan I.N. Widiasa. 2013. Penyisihan amoniak dan kekeruhan Pada Sistem Resirkulasi Budidaya Kepiting Dengan Teknologi Membran Biofilter. Jurnal Teknologi Kimia dan Industri, 2 (2): 155-161.
Choo, H.X. and C.M. Caipang. 2015. Biofloc Technology (BFT) and its application towards improved production in freshwater tilapia culture. AACL Bioflux, 8 (3): 362-366.
Li, Q., F. Qiao, and L. Yu. 2015. Modeling Total Ammonia Nitrogen Concentration : A Case study in Houston Ship Channel land upper and lower Galveston Bay. Journal of Pollution Effects and Control, 3:149.
Oparaku N.F. and C.E. Nnaji. 2013. Feasibility and technical studies of two water recirculating systems using two different Power sources, solar photovoltaic and fuel generator. International journal of physical sciences, 8 (43): 2000-2010. Academic Journals.
Rajasekar, J., Subodh Kant Settu, T.T Ajithkumar, and T. Balasubramanian. 2009. Development of Hatchery Technology for Marine Ornamental Damsel Fishes with special Refernces to in Captivity. World Journal of Agricultural Sciences, 5(4) : 466-469 ISSN 1817-3047.
Idosi Publications. Widowati, I., J. Suprijanto, R. Hartati, dan S.A.P. Dwiono. 2005. Hubungan Dimensi Cangkang dengan Berat Total Kerang Totok Polymesodaerosa (Bivalvia: Corbiculidae) dari Seaa Anakan Cilacap, Jawa Tengah. Prosiding Seminar Nasional Biologi dan Akuakultur Berkelanjutan (Juli 2005). Universitas Jenderal Sudirman.