Perlakuan terbaik terhadap pertumbuhan ikan patin adalah perlakuan D (tekanan 5,5 atm), yang memberikan nilai LPS tertinggi sebesar 7,24 ± 0,5% dan NKP sebesar 1,19 ☐,09. Data dianalisis menggunakan sidik ragam dengan uji F pada taraf kepercayaan 95%. Pakan yang digunakan adalah pakan komersial PF 1000 dengan kandungan protein kasar 35%. Wadah yang digunakan adalah bak fiber sebanyak 16 buah unit dengan ukuran 70 cm x 70cm x 70 cm.
Benih yang digunakan adalah benih ikan patin dengan umur 16-36 hari, panjang 1-2 inci dan bobot 0,26-0,29 gram.
Parameter yang diamati berupa laju pertumbuhan spesifik (LPS), nisbah konversi pakan (NKP), kualitas air (suhu, pH, oksigen terlarut, dan ammonia) dan bobot rata-rata tanaman. Perlakuan A (Kontrol), Perlakuan B (FBs dengan tekanan 4,5 atm), Perlakuan C (FBs dengan tekanan 5 atm) dan perlakuan D (FBs dengan tekanan 5,5 atm). Penelitian ini menggunakan Rancangan Acak Lengkap dengan empat perlakuan dan tiga ulangan. Penelitian ini bertujuan untuk menentukan pengaruh teknologi fine bubble dengan tekanan yang berbeda terhadap pertumbuhan dan efisiensi pakan benih ikan patin siam dalam sistem akuaponik. The best plant productivity was found in treatment D with an average weight of 60.75 g. The value of water quality parameters is in suitable condition for the growth of catfish seed. The best treatment for catfish growth was treatment D (pressure 5.5 atm), which gave the highest SGR value of 7.24 ± 0.5 and FCR value of 1.19 ± 0.09. The data were analyzed using variance with the F test at the 95% confidence level. The feed used is commercial feed PF 1000 content crude protein 35%. The container used is a fiber tub of 16 units with a size of 70 cm x 70cm x 70 cm. The seeds used were catfish seeds aged 16-36 days, 1-2 inches long, and weighed 0.26-0.29 grams. The parameters observed were Specific Growth Rate, Feed Conversion Ratio, water quality (temperature, pH, DO, and ammonia), and plant productivity. Treatment A (Control), Treatment B (FBs with a pressure of 4.5 atm), Treatment C (FBs with a pressure of 5 atm and treatment D (FBs with a pressure of 5.5 atm). This research used a completely randomized design with four treatments and three replications. This research aims to determine the effect of fine bubble technology with different pressures on Siamese catfish seed's growth and feed efficiency in an aquaponic system.
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