Haibarben freshwater tank 1400 l (391 gallons)

Mein Haibarbenbecken am 27.10.2008. Maße des Beckens: 250 cm lang, 70 cm hoch, 80 cm tief = 14oo Liter Volumen Well, here are Details of my tank: L: 250cm, H: 70cm, W: 80cm. Light: 4 x JBL Tropic Solar 36W, 4 x Daylight 36W. Light used 13 hours per day. Capacity CO2: 10kg; enough for about 4 months. CO2 supply on 1 hour after light on to 2 hours befor light off. Filter: Eheim 2260, 2000 liters per hour. Water changing 200 liters every week. Plant fertilizer: JBL Ferropol, 150ml every week, special tabs under the roots of the Echinodorus. Ground: 300kg river gravel 3-8mm, Some river stones with caves, 2 roots. Plants: Echinodorus bleherii, E. osiris, some other Echinodorus, cryptocoryne balansae, C. undulata, C. aponogetifolia, C. wendtii, some other Cryptocoryne, microsorum pteropus, some Anubia. Bewohner: 7 Haibarben (balantiocheilus melanopterus) 80 rot-blaue Kolumbianer (hyphessobrycon columbianus 4 Wabenschilderwelse (glyptoperichthys gibbiceps) 100+ braune Antennenwelse (ancistrus sp.) 5 siamesische Rüsselbarben (crossocheilus siamensis) Inside of the buttom: A lot of Red-rimmed melania (Melanoides tuberculata)