i am currely running a 48x15x22 tank stocked with 11 malawi cichlids i am going to add more so i have about 25-30 atm it is filtered with a 1150lph external filter i ant to upgrade this filter to a 2000lph one i have found would there be to much flow to run them together to start p with new filter for around 4-6 weeks to get the bacteria growing?
