overstocked

I have never had a cichlid tank and just bought a 75 gallon to get things started. I would like to go overstocked with primarily mbunas for appearance and to cut aggression. I have a used Rena XP2 that is used (used to be for a sale tank but assume I can clean out well with hot water to reuse)...

This was my 75g CA tank. Overcrouded but they mostly get along. The males flare and squabble a bit. The girls get along well. Main players..... female Centrarchus about 5 years old. female JD about 3 female Sev about 3 male HRP Rio Danli about 3 male hrp/con hybrid about 2 male blue hrp/con...

1 Pair of yellow labs 1 Pair of red empress's 1 male and 2 females of red zebras 1 Pair of German red peacock cichlids 1 male and 2 females of Cynotilapia Afra Puulu (Hai Reef) 1 Pair of yellow tail Acei 1 Frontosa Now I have a 75 gallon tank !! Two Penguin Bio-wheel 350 filters running at all...