Different Stocking Density on Water Quality of Red Tilapia (Oreochormis sp) in Budikdamber System

The problems of fish and plant cultivation are limited land, decreasing quality quantity water for human needs, food sources, increasing population on earth. Optimization farming with high stocking densities accompanied by feeding will cause accumulation organic matter in the culture containers which worsen rearing ultimately have an impact physiological conditions, survival growth fish. One technologies growing vegetables, fruit that has been developed to overcome these obstacles is Budikdamber system red tilapia organisms spinach plants. purpose this study was determine different without spinach. experimental design used a factorial complete randomized density treatment (A (2 fish/10L), B (4 C (6 D(8 fish/10L) (budikdamber spinach) (a) (b)). results showed temperature parameters ranged from 22.4 - 30.6°C, pH 6.4 8.9, DO 1.07 16.4 mg/l. Parameters temperature, pH, range not accordance optimum conditions (temperature = 25-32°C, 6.5 – 8, ≥3 ), but can still be tolerated so survive. Water plants reduce ammonia value using kale decreased week 1 4 conversely, budikdamber spinach, it increased 4. highest SR found Ba fish/10 liters) 91.67%.