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 = 14ooLiter Volumen
Well, here are Details of my tank:

L: 250cm, H: 70cm, W: 80cm.
Light: 4 x JBL TropicSolar 36W, 4 x Daylight 36W.
Light used 13 hours per day.
Capacity CO2: 10kg; enough for about 4months.
CO2 supply on 1 hour after light on to 2 hours befor light off.
Filter: Eheim 2260, 2000liters per hour.
Water changing 200 liters every week.
Plant fertilizer: JBL Ferropol, 150ml everyweek,
special tabs under the roots of the Echinodorus.
Ground: 300kg river gravel 3-8mm,
Some riverstones 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)
80rot-blaue Kolumbianer (hyphessobrycon columbianus
4 Wabenschilderwelse
(glyptoperichthysgibbiceps)
100+ braune Antennenwelse
(ancistrus sp.)
5 siamesische Rüsselbarben
(crossocheilussiamensis)
Inside of the buttom: A lot of Red-rimmed melania (Melanoides tuberculata)