Malawi African Cichlid Tank With Sump Week One 22-12-11

425lt African Cichlid Aquarium Lake Malawi Large sump with 11.5kg of Alfa Grog 100 bio balls 2x corse filter, 2x med filter, Purigen and filter wool screen. Twin visitherm heater, twin Eheim Compact 3000 return pumps. Tank drains via twin drains. Plant filter in place to aid uptake of NO3 & PO4. 99% of final stock added together to releive problem with agression when adding new fish. This is only possible by means of artificially maturing sump media to a level that will maintain the bio load please research "Fishless Cycle" for more infomation. AMM/0 - NO2/0 - NO3/5 WC25% Wkly